Alain Dragesco-Joffe / Brown-necked raven (Corvus ruficollis) calling, Tenere, Sahara, Niger.

Tim Fitzharris / Common Raven (Corvus corax) pair flying over Balanced Rock formation, Arches National Park, Utah

Cyril Ruoso / Raven (Corvus corax) screaming perched on Elephant cactus (Pachycereus pringlei) Vizcaino Desert, Baja California, Mexico, May.

Bruno D'Amicis / Brown-necked raven (Corvus ruficollis) sitting atop a dune, Tunisian Sahara, Tunisia.

Edwin Giesbers / Raven (Corvus corax) Mirador de Morro Velosa at 650 meters, Fuerteventura, Canary Islands. April 2013.

Markus Varesvuo / Brown-necked / Common raven (Corvus corax) in flight over landscape, Oman, November

Laurent Geslin / Common raven {Corvus corax} left and Carion crow {Corvus corone} right, silhouettes in flight Thar desert, India

Eric Dragesco / Raven (Corvus corax) feeding on Siberian Ibex (Capra ibex) decapitated head, Gobi National Park, Mongolia

Thomas Rabeil / Lappet Faced Vulture (Torgos tracheliotos) and Brown-necked Raven (Corvus ruficolis) at a animal skeleton. Dilia Achetinamou, Termit Tin Toumma National Park, Sahelo-Saharan Biome, Niger.

Hanne & Jens Eriksen / Brown necked raven {Corvus ruficollis} at water, Oman, April

Hanne & Jens Eriksen / Brown necked raven {Corvus ruficollis} nest with eggs, Oman, January

Hanne & Jens Eriksen / Brown necked raven {Corvus ruficollis} in flight, Oman, January