Erlend Haarberg / Two Norway lemmings (Lemmus lemmus) interacting on spring snow, Vauldalen, Norway, April

Alex Mustard / Manta ray (Manta birostris) feeding on plankton in a shallow lagoon. Hanifaru Lagoon, Baa Atoll, Maldives. Indian Ocean.

Gabriel Rojo / South american tern feeds chick {Sterna hirundinacea} Valdez peninsula, Argentina

Gabriel Rojo / South american tern landing at nest {Sterna hirundinacea} Argentina, Valdez peninsula

Bence Mate / Common crane {Grus grus} flock flying, silhouettes at sunset, Pusztaszer, Hungary

Bence Mate / Hedgehog {Erinaceus europaeus} crossing busy road at night, Pusztaszer, Hungary

Danny Green / Gannets (Morus bassanus) displaying at their breeding colony, Great Saltee, Republic of Ireland, May. Bookplate from Danny Green's 'The Long Journey North'

David Tipling / Gentoo Penguins (Pygoscelis papua) with stone for nest Sea Lion Island, Falklands, November

David Tipling / Common Kestrel (Falco tinninculus) migrant in flight during BirdLife Malta Springwatch Camp 2013, Malta, April 2013

Roland Seitre / Yellow-eared Parrot (Ognorhynchus icterotis) on branch with berries. Endangered. Tolima, Colombia, 2010.

Roland Seitre / Yellow-eared Parrots (Ognorhynchus icterotis) on branch with berries. Endangered. Tolima, Colombia, 2010.

Roland Seitre / Yellow-eared Parrot (Ognorhynchus icterotis) feeding on berries. Endangered. Tolima, Colombia, 2010.