Pinyon Jay Gymnorhinus cyanocephalus
Version: 2.0 — Published March 19, 2020
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1. Little, E. L., Jr., and W. B. Critchfield (1969). Subdivisions of the genus Pinus (pines). U.S. Department of Agriculture Miscellaneous Publication 1144, Washington, DC, USA.
2. Marzluff, J. M., and R. P. Balda (1992). The Pinyon Jay: Behavioral Ecology of a Colonial and Cooperative Corvid. T. & A. D. Poyser, London, United Kingdom.
3. Ligon, J. D. (1974). Green cones of the piñon pine stimulate late summer breeding in the Piñon Jay. Nature 250:80–82.
4. Ligon, J. D. (1978). Reproductive interdependence of Piñon Jays and piñon pines. Ecological Monographs 48:111–126.
5. Sauer, J. R., D. K. Niven, J. E. Hines, D. J. Ziolkowski, K. L. Pardieck, J. E. Fallon, and W. A. Link (2017). The North American Breeding Bird Survey, Results and Analysis 1966–2015. Version 2.07.2017. USGS Patuxent Wildlife Research Center, Laurel, MD, USA.https://www.mbr-pwrc.usgs.gov/bbs/bbs.html
6. Lanner, R. M. (1981). The Piñon Pine: A Natural and Cultural History. University of Nevada Press, Reno, NV, USA.
7. Breshears, D. D., N. S. Cobb, P. M. Rich, K. P. Price, C. D. Allen, R. G. Balice, W. H. Romme, J. H. Kastens, M. L. Floyd, J. Belnap, J. J. Anderson, O. B. Myers, and C. D. Meyer (2005). Regional vegetation die-off in response to global-change-type drought. Proceedings of the National Academy of Science 102:15144–15148.https://doi.org/10.1073/pnas.0505734102
8. Johnson, K., G. Sadoti, and J. Smith (2017). Weather-induced declines in piñon tree condition and response of a declining bird species. Journal of Arid Environments 146:1–9.https://doi.org/10.1016/j.jaridenv.2017.07.006
9. Redmond, M. D., F. Forcella, and N. N. Barger (2012). Declines in pinyon pine cone production associated with regional warming. Ecospere 3:120.https://doi.org/10.1890/ES12-00306.1
10. Wion, A. P., P. J. Weisberg, I. S. Pearse, and M. D. Redmond (2019). Aridity drives spatiotemporal patterns of masting across the latitudinal range of a dryland conifer. Ecography 42:1–12.https://doi.org/10.1111/ecog.04856
11. Clifford, M. J., N. S. Cobb, and M. Buenemann (2011). Long-term tree cover dynamics in a pinyon-juniper woodland: Climate-change-type drought resets successional clock. Ecosystems 14:949–962.https://doi.org/10.1007/s10021-011-9458-2
12. Bateman, G. C., and R. P. Balda (1973). Growth, development and food habits of young Piñon Jays. Auk 90:39–61.
13. Ligon, J. D., and J. L. White (1974). Molt and its timing in the Piñon Jay, Gymnorhinus cyanocephalus. Condor 76:274–287.
14. Brown, J. L. (1974). Alternative routes to sociality in jays-with a theory for the evolution of altruism and communal breeding. American Zoology 14:63–80.
15. Marzluff, J. M., and R. P. Balda (1988). Resource and climatic variability: Influences on sociality of two southwestern corvids. In The Ecology of Social Behavior (C. N. Slobodchikoff, Editors). Academic Press, London, United Kingdom. pp. 255–283.
16. Ridgway, R. (1904). The birds of North and Middle America. Part III. United States National Museum Bulletin 50(3):1–801.
17. Bent, A. C. (1946). Life histories of North American jays, crows and titmice, Part I. United States National Museum Bulletin 191.
18. Oberholser, H. C. (1974). The Bird Life of Texas. University of Texas Press, Austin, TX, USA.
19. Goodwin, D. (1976). Crows of the World. Comstock Publishing Associates, Ithaca, NY, USA.
20. Pyle, P. (1997). Identification Guide to North American Birds, Part I: Columbidae to Ploceidae. Slate Creek Press, Bolinas, CA, USA.
21. Ridgway, R. (1886). A nomenclature of colors for naturalists, and a compendium of useful knowledge for ornithologists. Little, Brown, & Company, Boston, MA, USA.
22. Pitelka, F. A. (1945). Pterylography, molt, and age determination of American jays of the genus Aphelocoma. Condor 47:229–260.
23. Humphrey, P. S., and K. C. Parkes (1959). An approach to the study of molts and plumages. Auk 76: 1–31.
24. Howell, S. N. G., C. Corben, P. Pyle, and D. I. Rogers (2003). The first basic problem: A review of molt and plumage homologies. Condor 105: 635–653.
25. Johnson, K. (1988b). Sexual selection in Pinyon Jays I: female choice and male-male competition. Animal Behaviour 36:1038–1047.https://doi.org/10.1016/S0003-3472(88)80063-0
26. Howell, S. N. G., C. Corben, P. Pyle, and D. I. Rogers (2004). The first basic problem revisited: Reply to commentaries on Howell et al. (2003). Condor 106: 206–210.
27. Howell, S. N. G. (2010). Peterson Reference Guide to Molt in North American Birds. Houghton Mifflin Harcourt Company, Boston, MA, USA.
28. Bent, A. C. (1946). Life histories of North American jays, crows, and titmice, Part 2. United States National Museum Bulletin 191.
29. Pyle, P. (1997). Molt limits in North American passerines. North American Bird Bander 22: 49–89.
30. Pyle, P. (2008). Identification Guide to North American Birds, Part II: Anatidae to Alcidae. Slate Creek Press, Point Reyes Station, CA, USA.
31. Palmer, T. S. (1928). Notes on persons whose names appear in the nomenclature of California birds. Condor 30:261–307.
32. Brodkorb, P. (1936). Geographic variation in the Piñon Jay. Occasional Papers of the Museum of Zoology, University of Michigan Press 332.
33. Phillips, A. R. (1986). The Known Birds of North and Middle America, Part I. Hirundinidae to Mimidae; Certhiidae. Denver Museum of Natural History, Denver, CO, USA.
34. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood (2019). The eBird/Clements Checklist of Birds of the World: v2019. Cornell Laboratory of Ornithology, Ithaca, NY, USA.https://www.birds.cornell.edu/clementschecklist/download/
35. Peterson, A. T. (1993). Adaptive geographical variation in bill shape of Scrub Jays (Aphelocoma coerulescens). American Naturalist 142:508–527.
36. Fernando, S. W., A. T. Peterson, and S. H. Li (2017). Reconstructing the geographic origin of the New World jays. Neotropical Biodiversity 3:80–92.
37. Espinosa De Los Monteros, A., and J. Cracraft (1997). Intergeneric relationships of the New World jays inferred from cytochrome b gene sequences. Condor 99:490–502.
38. Zusi, R. L. (1987). A feeding adaptation of the jaw articulation in New World jays (Corvidae). Auk 104:665–680.
39. Hardy, J. W. (1969). A taxonomic revision of the New World jays. Condor 71:360–375.
40. Amadon, D. (1944). The genera of Corvidae and their relationships. American Museum Novitates 1251:1–22.
41. Brodkorb, P. (1978). Catalogue of fossil birds, Part 5 (Passeriformes). Bulletin of the Florida State Museum, Biological Sciences 23:139–228.
42. Steadman, D. W., J. Arroyo-Cabrales, E. Johnson, and A. F. Guzman (1994). New information on the late Pleistocene birds from San Josecito Cave, Nuevo Leon, Mexico. Condor 96:577–589.
43. Van Devender, T. R. (1990). Late Quaternary vegetation and climate of the Chihuahuan Desert, United States and Mexico. In Packrat Middens: The Last 40,000 Years of Change (J. L. Betancourt, T. R. Van Devender, and P. S. Martin, Editors), University of Arizona Press, Tucson, AZ. pp. 104–133.
44. Gilligan, J., D. Rogers, M. Smith, and A. Contreras (1994). Birds of Oregon: Status and Distribution. Cinclus Publications, McMinnville, OR, USA.
45. Garrett, K., and J. Dunn (1981). Birds of Southern California: Status and Distribution. Los Angeles Audubon Society, Los Angeles, CA, USA.
46. Grenfell, W. E., Jr., and W. F. Laudenslayer Jr. (1983). The Distribution of California Birds. California Wildlife/Habitat Relationships Program, Publication 4. California Department of Fish and Game Bulletin and U.S. Forest Service, San Francisco and Sacramento, CA, USA.
47. Small, A. (1994). California Birds: Their Status and Distribution. Ibis Publishing Company, Vista, CA, USA.
48. Unitt, P. (2004). San Diego County Bird Atlas. Volume 39. Proceedings of the San Diego Society of Natural History. San Diego Natural History Museum/Ibis Publishing, San Diego, CA, USA.
49. Howell, S. N. G., and S. Webb (1995) A guide to the birds of Mexico and northern Central America. Oxford University Press, New York, New York.
50. Floyd, T., C. S. Elphick, G. Chisholm, K. Mack, R. G. Elston, E. M. Ammon, and J. D. Boone (2007). Atlas of the Breeding Birds of Nevada. University of Nevada Press, Reno and Las Vegas, NV, USA.
51. Stephens, D. A., and S. H. Sturts (1998). Idaho Bird Distribution: Mapping by Latilong. Special Publication 13. Idaho Museum of Natural History.
52. Corman, T. E., and C. Wise-Gervais (2005). Arizona Breeding Bird Atlas. University of New Mexico Press, Albuquerque, NM, USA.
53. Marks, J. S., P. Hendricks, and D. Casey (2016). Birds of Montana. Buteo Books, Arrington, VA, USA.
54. Oakleaf, B., B. Luce, S. Ritter, and A. Cerovski (1992). Wyoming Bird and Mammal Atlas. Wyoming Game Fish Department, Lander, WY, USA.
55. Peterson, R. A. (1995). The South Dakota Breeding Bird Atlas. South Dakota Ornithologists’ Union, Aberdeen, SD, USA.
56. Sharpe, R. S., W. R. Silcock, and J. G. Jorgensen (2001). Pinyon Jay. In Birds of Nebraska, University of Nebraska Press, Lincoln, NE, USA. pp. 286–287.
57. Wickersham, L. E. (2016). The Second Colorado Breeding Bird Atlas. Colorado Bird Atlas Partnership and Colorado Parks and Wildlife, Denver, CO, USA.
58. Baumgartner, E. M., and A. M. Baumgartner (1992). Oklahoma Bird Life. University of Oklahoma Press, Norman, OK, USA.
59. Reinking, D. L. (2004). Oklahoma Breeding Bird Atlas. University of Oklahoma Press, Norman, OK, USA.
60. Hubbard, J. P. (1978). Revised Checklist of the Birds of New Mexico. New Mexico Ornithological Society Publication 6. New Mexico Ornithological Society, Albuquerque, NM, USA.
61. American Ornithologists' Union (1998). Check-list of North American Birds, 7th edition. American Ornithologists' Union, Washington, DC, USA.
62. Petterson, R. (1998). Clark's Nutcracker nesting. South Dakota Bird Notes 40:94–95.
63. Dawson, W. L. (1923). The Birds of California: A Complete, Scientific and Popular Account of the 580 Species and Subspecies of Birds Found in the State. Volume 2. South Moulton, San Diego, CA, USA.
64. Bailey, F. M. (1928). Birds of New Mexico. New Mexico Department of Game and Fish, Santa Fe, NM, USA.
65. Burleigh, T. D. (1972). Birds of Idaho. Caxton Printers Ltd., Caldwell, ID, USA.
66. Johnson, K., T. B. Neville, J. W. Smith, and M. W. Horner (2016). Home range- and colony-scale habitat models for Pinyon Jays in piñon-juniper woodlands of New Mexico, USA. Avian Conservation and Ecology 11:2.https://doi.org/10.5751/ACE-00890-110206
67. Johnson, K., L. Wickersham, J. Smith, G. Sadoti, T. Neville, J. Wickersham, and C. Finley (2014). Habitat use at multiple scales by pinyon-juniper birds on Department of Defense lands III: landscape, territory/colony, and nest scale. Natural Heritage New Mexico Technical Report No. 14-GTR-381. Biology Department, University of New Mexico, Albuquerque, NM, USA.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications//Year%203%20Legacy%20FINAL2.pdf
68. Johnson, K., M. Horner, P. Neville, T. Neville, N. Petersen, J. Smith and L. Wickersham (2017). Landscape-scale habitat map for Pinyon Jay and Gray Vireo at Farmington BLM resource area. Natural Heritage New Mexico Technical Report 17-401. Biology Department, University of New Mexico, Albuquerque, NM, USA.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications//landscape%202015%20BLM%20FINAL.pdf
69. Johnson, K., M. Baumann, C. Wolf, T. Neville, and J. Smith (2010). Management of pinyon-juniper woodlands at Kirtland Air Force Base: Pinyon Jay summer and winter home ranges and habitat use 2009. Final Report. Natural Heritage New Mexico Report 10-GTR-353. Biology Department, University of New Mexico, Albuquerque, NM, USA.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications/nhnm/U10JOH02NMUS.pdf
70. Scher, J. S. (2002). Juniperus scopulorum. In Fire Effects Information System. USDA Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory, Missoula, MT, USA.https://www.fs.fed.us/database/feis/plants/tree/junsco/all.html
71. Gabaldon, D. J. (1978). Factors involved in nest site selection by Piñon Jays. Ph.D. thesis, Northern Arizona University, Flagstaff, AZ, USA.
72. Johnson, K., G. Sadoti, L. Wickersham, J. Wickersham, J. Smith, and N. Petersen (2017). Habitat use by Pinyon Jays and Gray Vireo at BLM Farmington resource area: Territory/colony scale models. Natural Heritage New Mexico Technical Report No. 17-405. Biology Department, University of New Mexico, Albuquerque, NM, USA.
73. Romme, W. H., C. D. Allen, J. D. Bailey, W. L. Baker, B. T. Bestelmeyer, P. M. Brown, K. S. Eisenhart, M. L. Floyd, D. W. Huffman, B. F. Jacobs, R. F. Miller, E. H. Muldavin, T. W. Swetnam, R. J. Tausch, and P. J. Weisberg (2009). Historical and modern disturbance regimes, stand structures, and landscape dynamics in piñon–juniper vegetation of the western United States. Rangeland Ecology and Management 62:203–222.https://doi.org/10.2111/08-188R1.1
74. Johnson, K., and G. Sadoti (2019). Model transferability and implications for woodland management: a case study of Pinyon Jay nesting habitat. Avian Conservation and Ecology 14.https://doi.org/10.5751/ace-01467-140217
75. Boone, J. D., E. Ammon, and K. Johnson (2018). Long-term declines in the Pinyon Jay and management implications for piñon–juniper woodlands. In Trends and Traditions: Avifaunal Change in Western North America (W. D. Shuford, R. E. Gill Jr., and C. M. Handel, Editors), Studies of Western Birds 3. Western Field Ornithologists, Camarillo, CA, USA. pp. 190–197.https://doi.org/10.21199/SWB3.10
76. Brody, A. J. (1992). The Sociality of Piñon Jays with and without piñon pine. M.S. thesis, Idaho State University, Pocatello, ID, USA.
77. Axelrod, D. I. (1958). Evolution of the Madro-Tertiary geoflora. Botanical Review 24:432–509.
78. Axelrod, D. I. (1980). History of the maritime closed-cone pines, Alta and Baja California. University of California Publications in Geological Sciences 120:1–143.
79. Little, E. L., Jr. (1950). Southwestern trees, a guide to the native species of New Mexico and Arizona. U.S. Department of Agriculture Handbook 9, Washington, DC, USA.
80. Stotz, N. G. (1991). Social influences on caching behavior of Pinyon Jays. M.S. thesis, Northern Arizona University, Flagstaff, AZ, USA.
81. Stotz, N. G. (1991). Cache-recovery behavior of Pinyon Jays in a social context. Abstracts. American Ornithologists' Union, Montreal, Canada.
82. Pitelka, F. A. (1951). Speciation and ecologic distribution in American jays of the genus Aphelocoma. University of California Publications in Zoology 50:195–464.
83. Vander Wall, S. B., and R. P. Balda (1981). Ecology and evolution of food-storage behavior in conifer-seed-caching corvids. Zeitschrift für Tierpsychologie 56:217–242.
84. Tomback, D. F., and Y. B. Linhart (1990). The evolution of bird-dispersed pines. Evolutionary Ecology 4:185–219.
85. Lanner, R. M. (1996). Made for Each Other: A Symbiosis of Birds and Pines. Oxford University Press, New York, NY, USA.
86. Balda, R. P., and A. C. Kamil (1998). The ecology and evolution of spatial memory in corvids of the southwestern USA: The perplexing Pinyon Jay. In Animal Cognition in Nature (R. P. Balda, I. M. Pepperberg, and A. C. Kamil, Editors), Academic Press, London, United Kingdom. pp. 29–64.
87. Marzluff, J. M., and R. P. Balda (1989). Causes and consequences of female-biased dispersal in a flock-living bird, the Pinyon Jay. Ecology 70:316–328.
88. Balda, R. P., and G. C. Bateman (1971). Flocking and annual cycle of the Piñon Jay, Gymnorhinus cyanocephalus. Condor 73:287–302.
89. Balda, R. P., and G. C. Bateman (1972). The breeding biology of the Piñon Jay. Living Bird 11:5–42.
90. Bendire, C. (1895). Life histories of North American birds, from the parrots to the grackles, with special reference to their breeding habits and eggs. U.S. National Museum Special Bulletin 3.
91. Westcott, P. W. (1964). Invasion of Clark Nutcrackers and Piñon Jays into southeastern Arizona. Condor 66:441.
92. Russell, S. M., and G. Monson (1998). The Birds of Sonora. University of Arizona Press, Tucson, AZ, USA.
93. Bendire, C. E. (1895). Life Histories of North American Birds. From the parrots to the grackles, with special reference to their breeding habits and eggs. U.S. National Museum Special Bulletin 3. Smithsonian Institution, Washington, DC, USA.
94. Balda, R. P., G. C. Bateman, and G. F. Foster (1972). Flocking associates of the Piñon Jay. Wilson Bulletin 84:60–76.
95. Ligon, J. D., and D. J. Martin (1974). Piñon seeds assessment by the Piñon Jay, Gymnorhinus cyanocephalus. Animal Behaviour 22:421–429.
96. Smith, C. C., and R. P. Balda (1979). Competition among insects, birds and mammals for conifer seeds. American Zoology 19:1065–1083.
97. Balda, R. P. (1980). Are seed caching systems co-evolved? Acta XVII Congressus Internationalis Ornithologici 2:1185–1191.
98. Vander Wall, S. B., and R. P. Balda (1977). Co-adaptations of the Clark's Nutcracker and the piñon pine for efficient seed harvest and dispersal. Ecological Monographs 47:89–111.
99. Stotz, N. G., and R. P. Balda (1995). Cache and recovery behavior of wild Pinyon Jays in northern Arizona. Southwestern Naturalist 40:180–184.
100. Balda, R. P. (1987). Avian impacts on pinyon-juniper woodlands. In Proceedings of the Pinyon-Juniper Conference (R. L. Evertt, Editor), U.S. Forest Service General Technical Report INT-215. Reno, NV, USA. pp. 525–533.
101. Shulzitski, J. (1999). Sex differences in the spatial memory ability of mated Pinyon Jays. M.S. thesis, Northern Arizona University, Flagstaff, AZ, USA.
102. Chen, B. (2000). Differential spatial memory by male and female Pinyon Jays. M.S. thesis, Northern Arizona University, Flagstaff, AZ, USA.
103. Balda, R. P., and A. C. Kamil (1989). A comparative study of cache recovery by three corvid species. Animal Behaviour 38:486–495.
104. Bednekoff, P. A., R. P. Balda, A. C. Kamil, and A. G. Hile (1997). Long-term spatial memory in four seed-caching corvid species. Animal Behaviour 53:335–341.
105. Kamil, A. C., R. P. Balda and D. J. Olson (1994). Performance of four seed-caching corvid species in the radial-arm maze analog. Journal of Comparative Psychology 108:385–393.
106. Balda, R. P., A. C. Kamil, P. A. Bednekoff, and A. L. Hile (1997). Species differences in spatial memory performance on a three-dimensional task. Ethology 103:47–55.
107. Hile, A. G. (1998). Comparative tests of general intelligence between social and asocial North American seed caching corvids. Ph.D. thesis, Northern Arizona University, Flagstaff, AZ, USA.
108. Wiltschko, W., R. P. Balda, M. Jahnel, and R. Wiltschko (1999). Sun compass orientation in seed caching corvids: Its role in spatial memory. Animal Cognition 2:215–221.
109. Romonchuk, W. J. (1995). The role of memory in cache-recovery in Clark's Nutcrackers and Pinyon Jays. Ph.D. dissertation, Northern Arizona University, Flagstaff, AZ, USA.
110. Botkin, C. W., and L. B. Shires (1948). The composition and value of piñon nuts. New Mexico Experiment Station Bulletin 344:3–14.
111. Blair, M., T. Valenski, A. Sykes, R. P. Balda, and G. Caple (1995). The composition of oils in Pinus edulis. In Desired Future Conditions for Piñon-Juniper Ecosystems (D. W. Shaw, E. F. Aldon, and C. Losapio, Editors), U.S. Forest Service General Technical Report RM-258, pp. 225–226.
112. Little, E. L., Jr. (1938). Stages of growth of pinyons in 1938. U.S. Forest Service Range Experiment Station Research Note 50.
113. Little, E. L., Jr. (1938). The earliest stages of pinyon cones. U.S. Forest Service Range Experiment Station Research Note 46.
114. Cannon, F. D., Jr. (1973). Nesting energetics of the Piñon Jay. M.S. thesis, Northern Arizona University, Flagstaff, AZ, USA.
115. Petersen, N., K. Johnson, and J. Smith (2014). Pinyon Jay monitoring program for New Mexico. Natural Heritage New Mexico Technical Report No. 14-GTR-382. Biology Department, University of New Mexico, Albuquerque, NM, USA.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications/PIJA%20MONITORING%20FINAL%20REPORT.pdf
116. Balda, R. P., and J. L. Balda (1978). The care of young Piñon Jays and their integration into the flock. Journal of Ornithology 119:146–171.
117. McArthur, P. D. (1982). Mechanisms and development of parent-young vocal recognition in the Piñon Jay (Gymnorhinus cyanocephalus). Animal Behaviour 30:62–74.
118. Berger, L. R., and J. D. Ligon (1977). Vocal communication and individual recognition in the Piñon Jay, Gymnorhinus cyanocephalus. Animal Behaviour 25:567–584.
119. Cully, J. F., and J. D. Ligon (1986). Seasonality of mobbing intensity in the Pinyon Jay. Ethology 71:333–339.
120. Ligon, J. D. (1974). Comments on the systematic relationships of the Piñon Jay (Gymnorhinus cyanocephalus). Condor 76:468–470.
121. Balda, R. P., M. L. Morrison, and T. R. Bement (1977). Roosting behavior of the Piñon Jay in autumn and winter. Auk 94:494–504.
122. Lawton, M. F. (1997). The mask of theory and the face of nature. In Feminism and Evolutionary Biology (P. A. Gowaty, Editor), Chapman & Hall, New York, NY, USA. pp. 63–85.
123. Johnson, K. (1988). Sexual selection in Pinyon Jays. II: male choice and female-female competition. Animal Behaviour. 36:1048–1053.https://doi.org/10.1016/S0003-3472(88)80064-2
124. Johnson, K., L. Wickersham, J. Smith, N. Petersen, and J. Wickersham (2015). Nest-scale habitat use by Pinyon Jay and Gray Vireo in the BLM Farmington resource area 2013–2014. Natural Heritage New Mexico Report 15-GTR-386. University of New Mexico, Albuquerque, NM, USA.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications//FINAL%202014%20BLM%20P-J%20%20report.pdf
125. Marzluff, J. M., G. E. Woolfenden, J. W. Fitzpatrick, and R. P. Balda (1996). Breeding partnerships of two New World jays. In Partnerships in Birds (J. M. Black, Editor), Oxford University Press, Oxford, United Kingdom. pp. 138–161.
126. Marzluff, J. M., and R. P. Balda (1988). The advantages of, and constraints forcing, mate fidelity in Pinyon Jays. Auk 105:286–295.
127. Woolfenden, G. E., and J. W. Fitzpatrick (1996). Florida Scrub-Jay (Aphelocoma coerulescens). In The Birds of North America (A. Poole and F. Gill, Editors), Academy of Natural Sciences and American Ornithologists' Union, Philadelphia, PA and Washington, DC, USA.
128. Brown, J. L. (1994). Mexican Jay (Aphelocoma ultramarina). In The Birds of North America (A. Poole and F. Gill, Editors), Academy of Natural Sciences and American Ornithologists' Union, Philadelphia, PA and Washington, DC, USA.
129. Marzluff, J. M., and R. P. Balda (1988). Pairing patterns and fitness in a free-ranging population of Pinyon Jays: What do they reveal about mate choice? Condor 90:201–213.
130. Busch, J. D., R. Benford, T. Pearson, E. Palmer, R. P. Balda, and P. Keim (2009). Development of polymorphic tetranucleotide microsatellites for Pinyon Jays (Gymnorhinus cyanocephalus). Conservation Genetics 10:689–691.https://doi.org/10.1007/s10592-008-9616-z
131. Dolman, C., J. J. Templeton, and L. Lefebvre (1996). Mode of foraging competition is related to tutor preference in Zenaida aurita. Journal of Comparative Psychology 110:45–54.
132. Lefebvre, L. (1996). Ecological correlates of social learning: problems and solutions for the comparative method. Behavioural Processes 35:163–171.
133. Lefebvre, L., J. J. Templeton, K. Brown, and M. Koelle (1997). Carib Grackles imitate conspecific and Zenaida Dove tutors. Behaviour 134:1003–1017.
134. Bailey, A. A., and R. J. Niedrach (1965). Birds of Colorado. Denver Museum of Natural History, Denver, CO, USA.
135. Balda, R. P., A. C. Kamil, and P. A. Bednekoff (1996). Predicting cognitive capacity from natural history: Examples from four species of corvids. In Current Ornithology 13 (E. Ketterson and V. Nolan, Editors), Plenum Press, New York, NY, USA. pp. 33–66.
136. Duque, J. F., and J. R. Stevens (2016). Voluntary food sharing in Pinyon Jays: The role of reciprocity and dominance. Animal Behaviour 122:135–144.https://doi.org/dx.doi.org/10.1016/j.anbehav.2016.09.020
137. Duque J. F., W. Leichner, H. Ahmann, and J. R. Stevens (2018). Mesotocin influences Pinyon Jay prosociality. Biology Letters 14:20180105.https://doi.org/dx.doi.org/10.1098/rsbl.2018.0105
138. Bednekoff, P. A., and R. P. Balda (1996). Observational spatial memory in Clark's Nutcrackers and Mexican Jays. Animal Behaviour 52:833–839.
139. Bednekoff, P. A., and R. P. Balda (1996). Social caching and observational spatial memory in Pinyon Jays. Behaviour 133:807–826.
140. Templeton, J. J., A. C. Kamil, and R. P. Balda (1999). Sociality and social learning in two species of corvids. Journal of Comparative Psychology 113:450–455.
141. Bond, A. B., A. C. Kamil, and R. P. Balda (2007). Serial reversal learning and the evolution of behavioral flexibility in three species of North American corvids (Gymnorhinus cyanocephalus, Nucifraga columbiana, Aphelocoma californica). Journal of Comparative Psychology 121:372–379.https://doi.org/10.1037/0735-7036.121.4.372
142. Bond, A. B., C. A. Wei, and A. C. Kamil (2010). Cognitive representation in transitive inference: A comparison of four corvid species. Behavioural Processes 85:283–292.https://doi.org/10.1016/j.beproc.2010.08.003
143. Tomback, D. F. (1998). Clark's Nutcracker (Nucifraga columbiana). In The Birds of North America (A. Poole and F. Gill, Editors), The Birds of North America, Inc., Philadelphia, PA, USA.
144. Ligon, J. D. (1971). Late summer-autumnal breeding of the Piñon Jay in New Mexico. Condor 73:147–153.
145. Balda, R. P., and G. C. Bateman (1973). Unusual mobbing behavior by incubating Piñon Jays. Condor 75:251–252.
146. Cary, M. (1901). Birds of the Black Hills. Auk 18:231–238.
147. Johnson, K., and J. Smith (2008). Pinyon Jays and pinyon pines at North Oscura Peak, White Sands Missile Range, New Mexico, 2007 annual report. Natural Heritage New Mexico Technical Report No. 08-GTR-328. Biology Department, University of New Mexico, Albuquerque, NM.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications/nhnm/U08JOH01NMUS.pdf
148. Johnson, K., J. Smith, M. Baumann, and C. Wolf (2011). Pinyon Jays and pinyon-juniper woodlands at Kirtland Air Force Base, 2010 final report. Natural Heritage New Mexico Technical Report 10-GTR-362. Biology Department, University of New Mexico, Albuquerque, NM, USA.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications/Kirtland%202010%20Report.pdf
149. Johnson, K., L. Wickersham, T. Neville, J. Wickersham, J. Smith, M Baumann, and C. Finley (2011). Habitat use at multiple scales by pinyon-juniper birds on Department of Defense lands: Landscape scale. Natural Heritage New Mexico Technical Report 11-GTR-360. Biology Department, University of New Mexico, Albuquerque, NM, USA.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications/nhnm/U11JOH03NMUS.pdf
150. Marzluff, J. M. (1988). Do Pinyon Jays alter nest placement based on prior experience? Animal Behaviour 36:1–10.
151. Clark, L., and D. J. Gabaldon (1979). Nest desertion by the Piñon Jay. Auk 96:796–798.
152. Nice, M. M. (1954). Problems of incubation periods in North American birds. Condor 56:173–197.
153. Ricklefs, R. E. (1968). Patterns of growth in birds. Ibis 110:419–451.
154. Clark, L., and R. P. Balda (1981). The development of effective endothermy and homeothermy by nestling Piñon Jays. Auk 98:615–619.
155. Marzluff, J. M., and R. P. Balda (1990). Pinyon Jays: Making the best of a bad situation by helping. In Cooperative Breeding in Birds (P. B. Stacy and W. D. Koenig, Editors), Cambridge University Press, Cambridge, United Kingdom. pp. 189–237.
156. Brown, J. L., and E. R. Brown (1984). Parental facilitation: Parent-offspring relations in communally breeding birds. Behavioral Ecology and Sociobiology 14:203–209.
157. McDonald, D. B., J. W. Fitzpatrick, and G. E. Woolfenden (1996). Actuarial senescence and demographic heterogeneity in the Florida Scrub Jay. Ecology 77:2373–2381.
158. Price, R. D., and R. A. Hellenthal (1998). Taxonomy of Philopterus (Phthiraptera: Philopteridae) from the Corvidae (Passeriformes), with descriptions of nine new species. Annals of the Entomological Society of America 91:782–799.
159. Pardieck, K. L., D. J. Ziolkowski Jr., M. Lutmerding, and M.-A. R. Hudson (2018). North American Breeding Bird Survey Dataset 1966–2017, version 2017.0. U.S. Geological Survey, Patuxent Wildlife Research Center, Laurel, MD, USA.https://doi.org/10.5066/F76972V8
160. Rosenberg, K. V., J. A. Kennedy, R. Dettmers, R. P. Ford, D. Reynolds, J. D. Alexander, C. J. Beardmore, P. J. Blancher, R. E. Bogart, G. S. Butcher, A. F. Camfield, A. Couturier, D. W. Demarest, W. E. Easton, J. J. Giocomo, R. H. Keller, A. E. Mini, A. O. Panjabi, D. N. Pashley, T. D. Rich, J. M Ruth, H. Stabins, J. Stanton, and T. Will (2016). Partners in Flight Landbird Conservation Plan: 2016 Revision of Canada and Continental United States. Partners in Flight Science Committee.http://www.partnersinflight.org/wp-content/uploads/2016/08/pif-continental-plan-final-spread-single.pdf
161. BirdLife International (2017). Gymnorhinus cyanocephalus (amended version of 2016 assessment). The IUCN Red List of Threatened Species 2017. 10.2305/IUCN.UK.2017-1.RLTS.T22705608A110431877.en. Downloaded on 30 August 2019.https://doi.org/10.2305/IUCN.UK.2017-1.RLTS.T22705608A110431877.en.
162. Somershoe, S. G., E. Ammon, J. Boone, P. Darr, E. Duvuvuei, K. Johnson, and C. Witt (2020). Conservation Strategy for the Pinyon Jay (Gymnorhinus cyanocephalus). Partners in Flight, Western Working Group and U.S. Fish and Wildlife Service.https://partnersinflight.org/resources/pinyon-jay-working-group/
163. U.S. Fish and Wildlife Service (2008). Birds of Conservation Concern 2008. United States Department of the Interior, U.S. Fish and Wildlife Service, Migratory Birds, Falls Church, VA, USA.http://www.fws.gov/birds/management/managed-species/birds-of-conservation-concern.php
164. Balda, R. P. (2002). Pinyon Jay (Gymnorhinus cyanocephalus), version 1.0. In The Birds of North America (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.https://doi.org/10.2173/bna.605
165. Breshears, D. D., O. B. Myers, C. W. Meyer, F. J. Barnes, C. B. Zou, C. D. Allen, N. G. McDowell, and W. T. Pockman (2009). Tree die-off in response to global change-type drought: Mortality insights from a decade of plant water potential measurements. Frontiers in Ecology and the Environment 7:185–189.https://doi.org/10.1890/080016
166. Thompson, R. S., S. W. Hostetler, P. J. Bartlein, and K. H. Anderson (1998). A strategy for assessing potential future changes in climate, hydrology, and vegetation in the western United States. Circular 1153. United States Geological Survey, Washington, DC, USA.https://doi.org/10.3133/cir1153
167. Cole, K. L., K. E. Ironside, S. T. Arundel, P. Duffy, and J. Shaw (2008). Modeling future plant distributions on the Colorado plateau: An example using Pinus edulis. In The Colorado Plateau III; Integrating Research and Resources Management for Effective Conservation (C. van Riper III, and M. Sogge, Editors). University of Arizona Press, Tucson, AZ, USA. pp. 319–330.https://www.researchgate.net/publication/305966403_Modeling_Future_Plant_Distributions_on_the_Colorado_Plateau_An_Example_Using_Pinus_edulis_pre-publication_draft
168. McDowell, N., A. Williams, C. Xu, W. Pockman, L. Dickman, S. Sevanto, R. Pangle, J. Limousin, J. Plaut, and D. Mackay (2016). Multi-scale predictions of massive conifer mortality due to chronic temperature rise. Nature Climate Change 6:1048.https://doi.org/10.1038/NCLIMATE3143
169. Floyd, M. L., D. D. Hanna, W. H. Romme (2004). Historical and recent fire regimes in pinon-juniper woodlands on Mesa Verde, Colorado, USA. Forest Ecology and Management 198:269–289.https://doi.org/10.1016/j.foreco.2004.04.006
170. Mopper, S., and T. G. Whitham (1992). The plant stress paradox effects on pinyon sawfly sex ratios and fecundity. Ecology 73:515–525.https://doi.org/10.2307/1940757
171. Gaylord, M. L., T. E. Kolb, W. T. Pockman, J. A. Plaut, E. A. Yepez, A. K. Macalady, R. E. Pangle, and N. G. McDowell (2013). Drought predisposes pinon-juniper woodlands to insect attacks and mortality. New Phytologist 198:567–578.https://doi.org/10.1111/nph.12174
172. National Audubon Society (2015). Audubon’s Birds and Climate Change Report: A Primer for Practitioners. Version 1.3. National Audubon Society, New York, NY, USA.https://climate.audubon.org/
173. van Riper, C., III, J. R. Hatten, J. T. Giermakowski, D. Mattson, J. A. Holmes, M. J. Johnson, E. M. Nowak, K. Ironside, M. Peters, P. Heinrich, K. L. Cole, C. Truettner, and C. R. Schwalbe (2014). Projecting climate effects on birds and reptiles of the Southwestern United States. U.S. Geological Survey Open-File Report 2014‒1050.https://doi.org/10.3133/ofr20141050
174. Bombaci, S., and L. Pejchar (2016). Consequences of pinyon and juniper woodland reduction in North America. Forest Ecology and Management 365:34–50.https://doi.org/10.1016/j.foreco.2016.01.018
175. Magee, P. A., J. D. Coop, and J. S. Ivan (2019). Thinning alters avian occupancy in pinon-juniper woodlands. Condor 121:1–17.https://doi.org/10.1093/condor/duy008
176. Johnson, K., N. Petersen, J. Smith, and G. Sadoti (2018). Piñon-juniper fuels reduction treatment impacts Pinyon Jay nesting habitat. Global Ecology and Conservation 16:1–7.https://doi.org/10.1016/j.gecco.2018.e00487
177. Greenwood, D. L. and P. J. Weisberg (2008). Density-dependent tree mortality in pinyon-juniper woodlands. Forest Ecology and Management 255:2129–2137.https://doi.org/10.1016/j.foreco.2007.12.048
178. Morillas, L., R. E. Pangle, G. E. Maurer, W. T. Pockman, N. McDowell, C. W. Huang, D. J. Krofcheck, A. M. Fox, R. L. Sinsabaugh, T. A. Rahn, and M. E. Litvak (2017). Tree mortality decreases water availability and ecosystem resilience to drought in piñon-juniper woodlands in the southwestern U.S. Journal of Geophysical Research: Biogeosciences 122:3343–3361.https://doi.org/10.1002/2017JG004095
179. Coop, J. D., and P. A. Magee (2016). Integrating fuels treatments and ecological values in piñon-juniper woodlands: Fuels, vegetation, and avifauna. Final report to the Joint Fire Science Program. Agreement number L13AC00237. Natural and Environmental Sciences Department, Western Colorado State University, Gunnison, CO, USA.https://www.firescience.gov/projects/13-1-04-45/project/13-1-04-45_final_report.pdf
180. Kleist, N. J., R. P. Guralnick, A. Cruz, C. A. Lowry, and C. D. Francis (2018). Chronic anthropogenic noise disrupts glucocorticoid signaling and has multiple effects on fitness in an avian community. Proceedings of the National Academy of Sciences of the United States of America 115:E648–E657.
181. Johnson, K., J. Smith, N. Petersen, L. Wickersham, and J. Wickersham (2013). Habitat use by pinyon-juniper birds in Farmington BLM resource area. Natural Heritage New Mexico Technical Report 03-GTR-380. Biology Department, University of New Mexico, Albuquerque, NM, USA.https://nhnm.unm.edu/sites/default/files/nonsensitive/publications/nhnm/U13JOH02NMUS.pdf
182. Collen, B., M. Böhm, R. Kemp, and J. E. M. Baillie (2012). Spineless: Status and trends of the world’s invertebrates. Zoological Society of London, London, UK.http://islandlab.uac.pt/resource/ver.php?id=21
183. Dirzo, R., H. S. Young, M. Galetti, G. Ceballos, N. J. B. Isaac, and B. Collen (2014). Defaunation in the Anthropocene. Science 345:401–406.https://doi.org/10.1126/science.1251817
184. Jarvis, B. (2018). The insect apocalypse is here. The New York Times Magazine. November 27, 2018.https://www.nytimes.com/2018/11/27/magazine/insect-apocalypse.html
185. Johnson, K., M. Darr, and C. Rustay (2020). Pinyon Jay (Gymnorhinus cyanocephalus) species account in New Mexico Bird Conservation Plan, Version 2.2. C. Rustay, S. Norris, and M. Darr, compilers. New Mexico Avian Conservation Partners, Albuquerque, NM, USA.
186. Parmenter, R. R., R. I. Zlotin, D. I. Moore, and O. B. Myers (2018). Environmental and endogenous drivers of tree mast production and synchrony in piñon–juniper–oak woodlands of New Mexico. Ecosphere 9(8).https://doi.org/10.1002/ecs2.2360
187. Rondeau, R., M. Bidwell, B. Neely, I. Rangwala, L. Yung, and C. Wyborn (2017). Pinyon‐Juniper Landscape: San Juan Basin, Colorado Social‐Ecological Climate Resilience Project. North Central Climate Science Center, Ft. Collins, CO, USA.http://www.cnhp.colostate.edu/download/documents/2017/SECR_PJ_Landscape_Report_21FEB_Final.pdf