Laying and hatching dates by geographic region of western North America.

Location

Laying

Hatching

Source

Northeastern Alaska

16 April (28 March–14 May, 25)

28 May (9 May–25 June, 25)

131 Young, D. D., Jr., C. L. McIntyre, P. J. Bente, T. R. McCabe and R. E. Ambrose (1995). Nesting by Golden Eagles on the north slope of the Brooks Range in northeastern Alaska. Journal of Field Ornithology 66: 373–379. Close

Northeastern Alaska

(13 April–14 May, 8)

(25 May–25 June, 8)

212 Ritchie, R. J., and J. A. Curatolo (1982). Notes on Golden Eagle productivity and nest site characteristics, Porcupine River, Alaska, 1979–1982. Raptor Research 16: 123–127. Close

Nunavut Territory

24 April (13 April–4 May, 19)

5 Jun (25 May–15 June, 19)

134 Poole, K. G., and R. G. Bromley (1988a). Interrelationships within a raptor guild in the central Canadian Arctic. Canadian Journal of Zoology 66: 2275–2282. Close )

Seward Peninsula Alaska

19 April (16 March – 10 May, 175)

3 June (30 April-24 June, 175)

ADFG^a, unpublished data

Central Alaska

13 April (23 Mar–7 May, 902)

26 May (4 May–18 June, 902)

CLM

East-central Alaska

(4 - 28 April, 17)

(16 May - 9 June, 17)

745 Kozie, K. D., and J. J. Bouton (1993). Raptor nesting surveys on active and potential mining claims in Wrangell-St. Elias National Park and Preserve 1992. Wrangell-St Elias National Park and Preserve (WRST) Research and Resource Management, No. 92-05. National Park Service, Glennallen, AK, USA. Close , 512 Kozie, K. D., R. J. Steidl, C. McIntyre, and G. Dodge (1993). Surveys and reproductive success of cliff nesting raptors in Wrangell-St. Elias National Park, 1993. WRST Research and Resource Management Report, No. 93-4. National Park Service, Copper Center, AK, USA. Close

Northeastern Wyoming

14 March (27 February–13 April, 86)

25 April (10 April–25 May, 86)

436 Phillips, R. L., and A. E. Beske (1990). Distribution and abundance of Golden Eagles and other raptors in Campbell and Converse Counties, Wyoming. U.S. Deptartment of the Interior, Fish and Wildlife Service, Washington, DC, USA. Close

Southeastern Wyoming

(20 March–4 April, 7)

(2 May–31 May, 7)

495 Schmalzried, J. T. (1976). Nesting and food habits of the Golden Eagle on the Laramie Plains. M.S. thesis, University of Wyoming, Laramie, WY, USA. Close

Northwestern Wyoming

8 March-26 March

19 April-7 May

375 Preston, C. R., R. E. Jones, and N. S. Horton (2017). Golden Eagle diet breadth and reproduction in relation to fluctuations in primary prey abundance in Wyoming's Bighorn Basin. Journal of Raptor Research 51: 347–367. Close

Northeastern Colorado

(10 March–1 April, 11)

(21 April–13 May, 11)

203 Olendorff, R. R. (1973). The ecology of the nesting birds of prey of northeastern Colorado. U.S. International Biological Program, Grassland Biome Technical Report 211. Colorado State University, Fort Collins, CO, USA. Close

Washington

(15 February-17 April, 83)

(29 March-29 May, 83)

746 Hayes, G. E. (2015). Golden eagles (Aquila chrysaetos) nesting in Washington, 2013–2014. Final Annual Report. Washington Department of Fish and Wildlife, Olympia, WA, USA. Close

Southeastern Oregon

5 March (16 February–26 March 22)

16 April (30 March–7 May, 22)

345 Hickman, G. L. (1968). The ecology and breeding biology of the Golden Eagle in southwestern Idaho and southeastern Oregon. U.S. Department of the Interior, Bureau of Sport Fisheries and Wildlife, Washington, DC, USA. Close

Southwestern Idaho

25 February (28 January–24 Mar, 60)

8 April (10 March–5 May, 60)

345 Hickman, G. L. (1968). The ecology and breeding biology of the Golden Eagle in southwestern Idaho and southeastern Oregon. U.S. Department of the Interior, Bureau of Sport Fisheries and Wildlife, Washington, DC, USA. Close

Southwestern Idaho

1 March (3 February–17 April, 1,489)

12 April^b (17 March–29 May, 1,489)

USGS, unpublished data

Central Utah (desert)

1 March (16 January – 21 April, 913)

12 April (27 February–2 June, 913)

K. Keller, unpublished data

North-central Utah

(25 February–11 April^b, 9)

(12 April–16 April, 9)

472 Camenzind, F. J. (1969). Nesting ecology and behavior of the Golden Eagle Aquila chrysaetos L. Brigham Young University Science Bulletin, Biological Series 10(4):4–15, 35–36. Close

North-central Utah

7 March (21 February–2 April, 14)

18 April (3 April–14 May, 14)

420 Smith, D. G., and J. R. Murphy (1973). Breeding ecology of raptors in the eastern Great Basin of Utah. Brigham Young University Science Bulletin, Biological Series 13: 1–76. Close

Four Corners^c

2 March (2 February-1 April)

13 April (16 March-13 May)

104 Murphy, R. K., J. R. Dunk, B. Woodbridge, D. W. Stahlecker, D. W. LaPlante, B. A. Millsap, and K. V. Jacobson (2017). First-year dispersal of Golden Eagles from natal areas in the southwestern United States and implications for second-year settling. Journal of Raptor Research 51(3): 216–233. Close

West-central California

27 February (5 February–15 March, 51)

9 April (19 March–26 April, 51)

208 Hunt, W. G., R. E. Jackman, T. L. Brown, J. G. Gilardi, D. E. Driscoll, and L. Culp (1995). A pilot Golden Eagle population study in the Altamont Pass Wind Resource Area, California. Predatory Bird Research Group, University of California, Santa Cruz, CA, USA. Close

Central Mexico

10 February (21 January-2 March)

25 March (13 March-14 April)

Cruz-Romo et al.,^d unpublished data

Baja California, Mexico^e

11 February (9-12 February)

25 March (24–27 March)

747 de León-Girón, G. (2017). Abundancia, ecología reproductiva, dieta, uso de hábitat y amenazas del águila real (Aquila chrysaetos) en Baja California, México. Propuestas para su conservación. Ph.D. dissertation, Centro de Investigaciones Biológicas del Noroeste, La Paz, Baja California Sur, Mexico. Close