David Fleetham / Great barracuda (Sphyraena barracuda) with three parasitic Copepods at end of upper jaw. Hawaii.
Staffan Widstrand / Wild Wonders of China / Portrait of a Golden snub-nosed monkey (Rhinopithecus roxellana) full frame of the face, Foping Nature Reserve, Shaanxi, China. Endangered species
Dave Bevan / Male Jackson's chameleon (Trioceros jacksonii) on a branch, looking around with turret eyes, UK. Captive, native to East Africa.
Theo Bosboom / Small red damselfly (Ceriagrion tenellum), warming up in the early morning, De Hatertse Vennen Nature Reserve, near Nijmegen, the Netherlands, July
Theo Bosboom / Small red damselfly (Ceriagrion tenellum) close up portrait, warming up in the early morning. De Hatertse Vennen Nature Reserve, near Nijmegen, the Netherlands, July.
Theo Bosboom / Emerald damselfly (Lestes sponsa) hiding behind a stem, Meinerswijk, Arnhem, the Netherlands, July.
Theo Bosboom / Close-up of Emerald damselfly (Lestes sponsa) compound eye, covered in dewdrops, Hatertse vennen, the Netherlands, July.
Theo Bosboom / Common bluetail damselfly (Ischnura elegans) on leaf, Millingerwaard, the Netherlands, June.
Theo Bosboom / Close-up of a White-legged damselfly (Platycnemis pennipis) Meinerswijk, The Netherlands, June.
Lucas Bustamante / Imbabura tree frog (Hypsiboas picturatus) portrait, Canande, Esmeraldas, Ecuador.
Philippe Clement / Panther chameleon (Furcifer pardalis) in tree, showing rotating eyes. Captive, native to Madagascar.
Tui De Roy / Swallow-tailed gull (Creagrus furcatus) calling, Genovesa Island, Galapagos
Staffan Widstrand / Wild Wonders of China / Pallas's cat (Otocolobus manul) Tibetan Plateau, Qinghai, China
Ross Hoddinott / Small pearl-bordered fritillary (Boloria selene) butterfly on oxeye daisy (Leucanthemum vulgare), Marsland mouth, North Devon, UK. May 2017.
Nick Garbutt / Female Red-eyed Tree Frog (Agalychnis callidryas) - Caribbean slope race (blue flanks) - obscured in rainforest foliage. Mid-altitude rainforest near Aranal, central Costa Rica.
David Pattyn / Common brown lemur (Eulemur fulvus) portrait, Anjajavy Private Reserve, north west Madagascar.
Dave Bevan / Juvenile Jackson's chameleon (Chamaeleo jacksonii xantholophus) feeding, flicking tongue to catch insects. Captive.
Alex Mustard / RF - High magnification photo of Secretary blenny (Acanthemblemaria maria) in boulder brain coral (Colpophyllia natans). East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. (Th...
Alex Mustard / Tompot blenny (Parablennius gattorugine) portrait, Swanage Pier, Swanage, Dorset, UK, English Channel, August
Nick Hawkins / Ocelot (Leopardus pardalis) portrait. camera trap image, Nicoya Peninsula, Costa Rica.
Markus Varesvuo / Snowy owl (Bubo scandiaca) female face close up, Canada February
Neil Aldridge / Plain's zebra (Equus quagga) close up of face, Kariega Game Reserve. South Africa.
Neil Aldridge / Mud-covered face of bull African buffalo (Syncerus caffer) with a cateract in one eye, on the banks of the Chobe River, Chobe National Park, Botswana.
Anup Shah / African elephant (Loxodonta africana) approaching camera with curiosity, Maasai Mara National Reserve, Kenya. Taken with remote wide angle camera.
Anup Shah / African elephants (Loxodonta africana) feeding on loose soil for its minerals, Maasai Mara National Reserve, Kenya. Taken with remote wide angle camera.
Fiona Rogers / Mountain gorilla (Gorilla gorilla beringei) infant portrait, member of 'Humba' group. Virunga National Park, Democratic Republic of Congo, March.
Fiona Rogers / Mountain gorilla (Gorilla gorilla beringei) female portrait, member of 'Humba' group . Virunga National Park, Democratic Republic of Congo, March.
Anup Shah / Mountain gorilla (Gorilla gorilla beringei) infant portrait, member of 'Humba' group. Virunga National Park, Democratic Republic of Congo, March.