A photographic and morphometric guide to aging Gyrfalcon nestlings

Applied Raptor Ecology: Essentials from Gyrfalcon Research ◽

10.4080/are.2017/app1 ◽

2017 ◽

pp. 265-282

Author(s):

David L. Anderson ◽

◽

Kurt K Burnham ◽

Ólafur K. Nielsen ◽

Bryce W. Robinson ◽

...

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