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.
Will Burrard-Lucas / Tufted gray langur (Semnopithecus priam) Close up portrait of head and shoulders. Minneriya National Park, Sri Lanka. September
Lucas Bustamante / Peacock katydid (Pterochroza ocellata) on leaf in defensive posture, Yasuni National Park, Amazon Basin, Ecuador.
Maxime Aliaga / Dominant male Sumatran orangutan (Pongo abelii), haning from tree, Suaq Balimbing Field Station, Gunung Leuser National Park, north west Sumatra, Indonesia
Tim Laman / Two Rhinoceros hornbills (Buceros rhinoceros) perched in tree canopy looking at each other, Halabala Wildlife Sanctuary, Narathiwat Province, Thailand.
Alex Hyde / Male Jumping spider (Euophrys frontalis) close up, Derbyshire, UK. May. Focus stacked image.
Alex Hyde / Green tiger beetle (Cicindela campestris) close up portrait, Birchover, Derbyshire, UK. April. Focus stacked image.
David Weiller / Long-nosed horned frog (Pelobatrachus nasutus) juvenile close up portrait, closing its eyes, showing the nictitating membrane, Crocker Range, Sabah, Borneo, July.
Joel Sartore / Photo Ark / Egyptian sand gecko (Stenodactylus petrii) male close up. Captive.
Joel Sartore / Photo Ark / Venezuelan slider (Trachemys venusta chichiriviche) close up of head. Captive.
Joel Sartore / Photo Ark / Great blue turaco (Corythaeola cristata) female close up of head, preening occasionally, North Florida Wildlife Center. Captive.
Joel Sartore / Photo Ark / Pallid scops-owl (Otus brucei exiguus) juvenile walking curiously up to the camera, Dubai Falcon Center. Captive.
Joel Sartore / Photo Ark / Black-headed parrot (Pionites melanocephalus pallidus) walking around and puffing up feathers, before leaving the frame, Parque de Las Leyendas, Peru. Captive.