Rough-legged Hawk Dark Morph (lifer) | Thy Bun | Flickr
Immature dark morph Rough-legged Hawk hovering over Pico in Corvo Island, Azores. October 14, 2013 Stock Photo - Alamy
Rosemary Mosco (Bird And Moon Comics) on Twitter: "Guide to rough-legged hawk morphs! Repost of an older comic since it's rough-legged season again. https://t.co/oOKeOmUZc3 https://t.co/RukoqZKLi1" / Twitter
Dark Morph Rough-legged Hawk | Jeff Dyck | Flickr
Rough-legged Hawk (Buteo lagopus) - North American Birds - Birds of North America
Rough-legged Hawk Identification, All About Birds, Cornell Lab of Ornithology
Dark Morph Rough-legged Hawk In Flight – Feathered Photography