Nature Picture Library offers the best nature photographs and footage from the world's finest photographers, to license for commercial and creative use. More than 700,000 images and video clips online, from tigers to turtles and elephants to sharks.
Guy Edwardes / Dalmatian pelican (Pelecanus crispus) flock stretching at sunrise, Lake Kerkini, Greece. January.
Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) silhouette, hanging on a branch with wing open to help cool down, Yarra Bend Park, Kew, Victoria, Australia, April.
Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) group hanging and stretching out wings on a branch, backlit by the setting sun, Yarra Bend Park, Kew, Victoria, Australia, November.
Gil Wizen / Female Fishing spider (Dolomedes scriptus) stretching strands of silk from her spinnerets for weaving into her egg sac, Ontario, Canada. September. Winner of Invertebrates Category in the Wildlife Ph...
Joel Sartore / Photo Ark / Least bittern (Ixobrychus exilis) juvenile raising head up, Wildlife Rehabilitation Center, Roseville. Captive.
Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) chick stretching wings, watched by adult, at nest in breeding colony, Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, June
Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) chick stretching wings on nest in breeding colony, Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, June
Andres M. Dominguez / Common redstart (Phoenicurus phoenicurus) male taking off, Sierra de Grazalema Natural Park. Southern Spain. September
John Chan / Great horned owl (Bubo virginianus) chicks stretching and flapping their wings, Southern California, USA, May.
Andy Rouse / Mute swan (Cygnus olor) stretching wings on water. In morning light, Wales, UK. February.
Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chicks aged 20-24 weeks stretching wings, in moult whilst parents fish at sea. Atka Bay, Antarctica. January.
Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged six to eight weeks stretching whilst on brooding parent's feet. Adult looking down at chick. Atka Bay, Antarctica. September.