Alex Mustard / Pair of Western clown anemonefish (Amphiprion ocellaris) spawning orange eggs on the rock beneath their Magnificent sea anemone (Heteractis magnifica) home on a coral reef. This photo shows the larger...

John Shaw / Snowy egret (Egretta thula) shows its breeding plumage. St. Johns Management Area, Florida, USA, March.

Laurent Geslin / Young Erbore boy shows his body paints, these are usually only applied for special celebrations, Omo valley, Ethiopia, 2006

Paul D Stewart / A rare British broadsheet illustration with contemporary hand colouring, drawn and engraved by John Emslie and published by James Reynolds in 1849. It shows reconstructions of extinct creatures in the...

Alex Mustard / 2020VISION / Grey seal (Halichoerus grypus) shows its teeth in a playful moment, Lundy Island, Bristol Channel, England, UK, May

Kristel Richard / Head portrait of a rare grey Yorkshire Dales gelding (Equus caballus) with long mane, at Glanusk Estate, Wales, UK

Jouan & Rius / Aboriginal rock painting, Art Gallery Cave, Carnarvon National Park, Queensland, Australia. The painting is believed to me more than 2000 years old and shows hands, boomerangs, emu feet and rock walla...

Heidi & Hans-Juergen Koch / Glass Frog (Cochranella antisthenesi) transparent skin shows body filled with eggs, very rare and fragile frog, native to Central and South America

Mark Moffett / Slug Caterpillar (Setora fletcheri) shows warning coloration and spines loaded with toxins that erect when the animal is disturbed, Tam Dao National Park, Vietnam

Fabio Liverani / Yellow bellied toad defensive display - shows brightly coloured belly, Italy

Fabio Liverani / Yellow bellied toad defensive display to snake, Italy - shows brighly coloured belly

Tim MacMillan / John Downer Pr / Multiple exposure study of various frogs shows that those with more foot webbing glide further (Resolution restriction - image digitised from film, 'Weird Nature' tv series)