Rosl Roessner/ BIA / Secretary Bird (Sagittarius serpentarius), Kenya

Rosl Roessner/ BIA / Guira Cuckoo (Guira guira) group huddled together, native to South America

Rosl Roessner/ BIA / Burrowing Owl (Athene cunicularia) pair, Florida

Rosl Roessner/ BIA / King Vulture (Sarcoramphus papa) juvenile, Germany

Rosl Roessner / Southern Cassowary (Casuarius casuarius) female

Rosl Roessner / Bearded Vulture (Gypaetus barbatus)

Rosl Roessner / Sandhill Crane (Grus canadensis) adults and juvenile foraging, Florida

Rosl Roessner / Razorbill (Alca torda) pair, Scotland

Rosl Roessner/ BIA / Southern White-faced Owl (Ptilopsis granti), native to Africa

Rosl Roessner/ BIA / White-tailed Swallow (Hirundo smithii), Lake Baringo, Kenya

Rosl Roessner/ BIA / White-eyed Slaty-Flycatcher (Dioptrornis fischeri) calling, Kakamega Forest Reserve, Kenya

Rosl Roessner/ BIA / Three-banded Courser (Rhinoptilus cinctus), Kakamega Forest Reserve, Kenya