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.
Jack Dykinga / Entrance road to Catalina State Park closed due to flooding run-off from Southerland and Romero Creek, with storm clouds over Santa Catalina mountains in background, Catalina State Park, Arizona, USA....
Nick Upton / Information sign for wildflower meadow planted by a county council and left uncut from March to September to encourage bees and other pollinators, Marlborough Downs, Wiltshire, UK. July.
Nick Garbutt / Wooden sign at entrance to Zombitse-Vohibasia National Park, showing emblem of Appert's tetraka (Xanthomixis apperti), south-west Madagascar.
Nick Garbutt / Puma (Puma concolor) female, walking in deep snow close to road sign, Torres del Paine National Park / Estancia Laguna Armarga, Patagonia, Chile.
Charlie Hamilton-James / Brown rats (Rattus norvegicus) on city sidewalk at night, West Broadway, New York City, USA. May.
Roland Seitre / Hawaiian goose (Branta sandvicensis) on grassy roadside verge close to traffic warning sign, Hanalei National Wildlife Refuge, Kauai, Hawaii.
Roland Seitre / Hawaiian goose (Branta sandvicensis) roadside warning sign, Volcanoes National Park, Big Island, Hawaii.
Adrian Davies / Adder (Vipera berus ) breeding site conservation sign on clifftop. Cornwall, UK. September.
Alex Mustard / UNESCO World Heritage plaque, awarded to the Revillagigedo Islands in 2016, Socorro Island, Revillagigedo Islands, Mexico, Pacific Ocean.
Robin Chittenden / Sign asking dog walkers to control their dogs because of ground-nesting birds on shingle beach. Norfolk, UK. May.
Robin Chittenden / Sign asking dog walkers to keep their dogs on the lead to avoid injury to wildlife in Thorpe Marshes NWT reserve, Norfolk, UK. May.
David Tipling / Two Starlings (Sturnus vulgarus) perched on signpost being photographed by man with mobile phone camera, Cromer, Norfolk, UK. September.