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Pied Plumage in bald eagles

机译:秃头鹰的全身羽毛

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摘要

Nestling and adult Bald Eagles (Haliaeetus leucocephalus) banded and observed in the greater Yellowstone region of northwestern Wyoming and southeastern Idaho dis- played previously unrecorded plumage and talon coloration. Atypical characteristics were noted in nine nestling and three adult Bald Eagles associated with the Snake River Watershed between 1979 and 1989. Atypical plumage in nestlings was characteristic of genetically based pied plumage (i.e., feathers either completely white or completely brown, not diluted, speck- led, or partially albino).
机译:在怀俄明州西北部和爱达荷州东南部的较大黄石地区,观察到的雏鸟和成年秃头鹰(Haliaeetus leucocephalus)聚集并观察到,显示了以前未记录的羽毛和爪状色。在1979年至1989年之间,与蛇河流域有关的9个雏鸟和3个成年秃头鹰注意到了非典型特征。雏鸟的非典型羽毛是基于基因的羽状羽毛的特征(即,羽毛完全白色或完全棕色,未稀释,有斑点。或部分白化)。

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