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Version 1.0

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Tropical Kingbird Tyrannus melancholicus

Alex. E. Jahn, Philip C. Stouffer, and R. Terry Chesser
Version: 1.0 — Published April 5, 2013

Demography and Populations

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In Costa Rica, 5 of 18 (28%) nests fledged at least one nestling (Skutch 1966). In northeastern Bolivia, 17% of 158 nests monitored over three seasons failed, and of those, 33% failed during nest construction (n = 44), 43% during the egg stage, and 24% during the nestling stage (F. Hilarion and AEJ, unpublished data). Jahn et al. (2010d) were unable to genetically distinguish resident from migratory individuals of the nominate subspecies at a study site in Santa Cruz Department, Bolivia, suggesting weak population genetic structure across at least part of the range of the species.

Recommended Citation

Jahn, A. E., P. C. Stouffer, and R. T. Chesser (2013). Tropical Kingbird (Tyrannus melancholicus), version 1.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/nb.trokin.01