Kerstin Hinze / White necked raven (Corvus albicollis) Giant's Castle Nature Reserve, Drakensberg, KwaZulu-Natal, South Africa, October

Kerstin Hinze / White necked Raven (Corvus albicollis), Giant's Castle, Drakensberg, KwaZulu-Natal, South Africa, October

Steven Kazlowski / White necked raven (Corvus cryptoleucus) in flight over Kasegaluk lagoon and outside the arctic village of Point Lay, Alaska, USA, June

Mike Wilkes / White necked raven (Corvus cryptoleucus) standing in grass, Tanzania, East Africa

John Cancalosi / White necked raven calling {Corvus cryptoleucus} South Africa