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.
Klein & Hubert / Swallow (Hirundo rustica) in flight chasing a Tsetse fly (Glossina sp.), Kenya, Africa.
Alex Hyde / Galls of the Silk button gall wasp (Neuroterus numismalis) on the underside of a fallen Oak (Quercus sp.) leaf. A single adult wasp will emerge from each gall, Peak District National Park, Derbyshire,...
David Weiller / Slug moth caterpillar (Acharia nesea) walking beside two Ichneumon wasp (Ichneumonidae spp.) cocoons with the remains of two parasitised caterpillars on a palm leaf, Golfito, Costa Rica, March.
James Dunbar / Slow motion clip of a Beefly (Bombyliidae sp.) laying eggs by flicking them into the nest of a solitary bee, UK, April.
Lucas Bustamante / Amazonian millipede with parasites. Sumaco National Park, Napo, Ecuador
Andy Rouse / Sally lightfoot crab, (Grapsus grapsus), feeding on marine iguana parasites and dead skin, Galapagos
Guy Edwardes / Red-billed oxpecker (Buphagus erythrorhynchus) feeding on Impala (Aepyceros melampus), Savuti, Botswana.
Theo Bosboom / Water mite larvae (Arrenurus) parasitizing Common blue damselfly (Ennalagma cyathigerum), Hondeven, the Netherlands, July.
Lucas Bustamante / Brush footed butterfly (Lycorea sp.) caterpillar with parasitic wasp cocoons on silk threads, Yasuni National Park, Orellana, Ecuador.
David Fleetham / Cleaner wrasse (Labroides dimidiatus) eating parasites off Coral grouper (Cephalopholis miniata) with Shrimp (Lysmata amboinensis) Mabul Island, Malaysia.
Tony Wu / Humpback whale (Megaptera novaeangliae) adult female at rest. The tubercles on the whale's head are clearly visible, as are the barnacles (Coronula diadema), whale lice (Cyamus boopis), and hairs on t...
Jordi Chias / Giant Manta (Manta birostris) with Remoras (Remora brachyptera) attached to both wings, offshore Santa Maria Island, Azores, Atlantic Ocean