Ingo Arndt / Andean Condor (Vultur gryphus) flying near mountains, Paine Massif, Torres del Paine, Torres del Paine National Park, Patagonia, Chile

Ingo Arndt / Andean Condor (Vultur gryphus) flying, Torres del Paine National Park, Patagonia, Chile

Markus Varesvuo / Flock of Griffon vulture (Gyps fulvus) in flight, soaring on thermals, Spain, December

Hiroya Minakuchi / White-tailed Eagle (Haliaeetus albicilla) flying, Hokkaido, Japan

Konrad Wothe / Gliding seed of Climbing Gourd (Alsomitra macrocarpa) in tropical rainforest, West Papua, New Guinea, Indonesia, digital composite

Jack Dykinga / Sandhill crane (Grus canadensis) landing in icy pond filled with snow geese (Chen caerulescens) Bosque del Apache, New Mexico. January 2013

Jack Dykinga / Scarlet Macaw (Ara macao) in tropical rainforest canopy with beech almond fruit. Osa Peninsula, Costa Rica

Claudio Contreras / Northern mockingbird (Mimus polyglottos) in courtship display, San Quintin, Baja California Peninsula, Mexico,

Claudio Contreras / Northern mockingbird (Mimus polyglottos) in courtship display, San Quintin, Baja California Peninsula, Mexico,

Markus Varesvuo / Large flock of Kittiwakes (Rissa tridactyla) flying over the sea, Vardo, Norway, March.

Markus Varesvuo / Male King eider (Somateria spectabilis) in flight over water, Batsfjord, Norway, March.

Loic Poidevin,Loic Poidevin / Short-eared Owl (Asio flammeus) diving at prey, Breton Marsh, West France, April