Steve Downer / Wood pigeon (Columba palumbus) feeding in a garden, flies to fence and then out of frame, Birmingham, England, UK, March.

Andy Trowbridge / Female Northern goshawk (Accipiter gentilis) perched on a branch in falling snow, with Wood pigeon (Columba palumbus) prey, Norway, January.

Andy Trowbridge / Female goshawk (Accipiter gentilis) hiding Wood pigeon (Columba palumbus) prey from passing crows. Southern Norway, February.

Robin Chittenden,Robin Chittenden / Wood Pigeon (Columba palumbus) Norwich, Norfolk, UK, March

Troels Jacobsen/Arcticphoto / A group of Rockhopper Penguins (Eudyptes chrysocome). The world population of Northern Rockhopper has declined by 90% in the past 60 years. Quest Bay, Gough Island. UNESCO World Heritage site, March.

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) pair interacting with Steven Cleaver at the Dolphin Quest Learning Center, Waikoloa Hyatt, Hawaii

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) interacting with a female tourist, Dolphin Quest Learning Center, Hawaii

Doug Perrine / Bottlenose dolphins, captive {Tursiops truncatus} Honduras. digitally manipulated (Non-ex).

Doug Perrine / Bottlenosed= dolphins underwater {Tursiops truncatus} Dolphin Quest, Hawaii. Captive (Non-ex).

Doug Perrine / Bottlenose dolphins underwater {Tursiops truncatus} Dolphin Quest, Hawaii. Captive (Non-ex).

Adrian Davies / Wood pigeon (Columba palumbus) sitting on nest. Surrey, England, UK. July.

Heather Angel / Wood pigeon (Columba palumbus) feeding on sweet petals of nectarless Feijoa (Acca sellowiana). Kew Gardens, London, England, UK. July.