John Cancalosi / Great Egret (Ardea alba) in flight carrying nesting material. Louisiana, USA, April.

Shattil & Rozinski / Salmon leaping up waterfall, swimming upstream to spawn, Alaska, USA, September

John Cancalosi / Canadian Otter (Lutra canadensis) swimming in shallow river, hunting for fish, Wyoming, USA

John Cancalosi / Canadian Otter (Lutra canadensis) swimming in shallow river, hunting for fish, Wyoming, USA

Tim Laman / Male Wild turkey (Meleagris gallopavo) displaying in snow, Lexington, Massachusetts, USA, March

Tim Laman / Rear view of young male Wild turkey (Meleagris gallopavo) displaying in snow, Lexington, Massachusetts, USA, March

John Cancalosi / Pacific Gopher Snake (Pituophis catenifer catenifer) swallowing a mouse, Oregon, USA

John Cancalosi / Curve-billed Thrasher (Toxostoma curvirostre) perched on cholla cactus and feeding on seeds, Arizona, USA

John Cancalosi / Black necked Garter Snake (Thamnophis cyrtopsis) semi-aquatic, moving over lilypads, Arizona, USA

David Tipling / Mountain Bluebird {Sialia currucoide} feeding on Juniper berries, New Mexico, USA, January

David Tipling / Sandhill Crane {Grus canadensis} calling, Bosque del Apache, New Mexico, USA

John Cancalosi / Flat tailed horned lizard {Phrynosoma m'calli} emerging from burrow, USA