Why Vultures Might Just Be the Smartest Birds Above the Block - The New York Times

Vultures of Pennsylvania: Black vs. turkey, their differences and similarities

Hawk Mountain – Mary Ann Steggles

Hawk Mountain – Mary Ann Steggles

Meet the Scientist Studying Vulture Guts for Clues to Disease Immunity, Smithsonian Voices

On Our Radar: 'The Dust Bowl' - The New York Times

bird books – Mary Ann Steggles

tracking birds – Mary Ann Steggles

Vultures might just be the smartest birds on the block

vultures – Mary Ann Steggles

About — Gayatri Malhotra

tracking birds – Mary Ann Steggles

50 of 650 vultures bred over 20 yrs to be released in wild

Study shows condors, an endangered species, can reproduce without mating