Alan Murphy/ BIA / Northern Caracara (Caracara cheriway) pair fighting, Texas

Alan Murphy/ BIA / Northern Caracara (Caracara cheriway) chasing sub-adult with prey, Texas

Tim Zurowski/ BIA / Northern Caracara (Caracara cheriway) trio, Texas

George Sanker / Barred owl (Strix varia) stretching wings, Corkscrew Swamp Audubon Sanctuary, Florida, USA, March.

Alan Murphy / Northern Caracara (Caracara cheriway) flying, Texas

Krista Schlyer / Desert cottontail (Sylvilagus audubonii) at border wall during construction, southern Arizona. USA, July.

Kim Taylor / Brown Long-eared bat (Plecotus auritus) drinking from a lily pond , Surrey, UK. Overall WINNER of the Audubon Society of Greater Denver Share the View competition 2011

Kim Taylor / Wood Ant (Formica rufa) workers on top of their nest synchronise ejection of formic acid droplets to maximise deterrent effect on potential predator, UK. Commended in the Audubon Society of Greater De...

Kirkendall-Spring / Cypress {Cupressaceae} and Tupelo Gum Trees {Nyssa aquatica} growing in the Audubon Swamp Gardens, Magnolia Plantation Gardens, South Carolina, USA

Rolf Nussbaumer / Audubon's oriole {Icterus graduacauda} Texas, USA.

John Shaw / Desert cottontail rabbit (Sylvilagus audubonii), Gilbert Water Ranch, Arizona, USA. January.

George Sanker / Great blue heron (Ardea herodias), adult feeding chick. Chick close to fledging. Venice Area Audubon Rookery, Florida, USA. March.