John Chan / Male California Least Tern (Sternula antillarum browni) courting a female, presenting a fish before chasing off another male, Huntington Beach, California, USA, May.

Frederique Olivier / Pair of Blue footed boobies (Sula nebouxii) courting, with the male picking up and offering grass, Isla Lobos de Terra, Peru.

Danny Green / Atlantic Puffin (Fratercula arctica) coming out of its burrow with a gift, Skomer Island, Wales, UK, May

Krijn Trimbos / Great crested grebe (Podiceps cristatus) pair in 'weed dance' courtship display, The Netherlands, March.

David Pattyn / Great crested grebe (Podiceps cristatus) pair performing their 'weed dance' in which they take a vertical position in front of each other and offer plant material to each other. The Netherlands. March...

Staffan Widstrand,Staffan Widstrand / Mangrove planting team from CRINEO planting Rhzophora mangrove trees, Pulicat Lake, Tamil Nadu, India, February 2013.

Alex Mustard,Alex Mustard / A diver and a hydrothermal chimney. Note that he is obscured by the different temperature waters (from the chimney and the surrounding water) which are unable to mix. The sea water was 4 degrees Celsi...

Axel Gomille / Asian Elephant (Elephas maximus), temple elephant gives blessings to pilgrims at the ruins and temple complex of Hampi, Karnataka, India

Martin Dohrn / Cardinal fish (Apogon sp) moments after it has mistakenly tried to eat an ostracod. The ostracod then releases glowing mucus that is so bright that it can be seen through the body of the fish. This gi...

Chris Gomersall / 2020VISION / Sanderling (Calidris alba) in winter plumage feeding on tideline, The Wash, Norfolk, March. Did you know? The Sanderling is the only British wading bird that has no back toe; this gives it a distincti...

John MacPherson / 2020VISION / Visitors on Chanonry Point watching Bottlenose dolphins (Tursiops truncatus) playing and breaching, Moray Firth, Inverness-shire, Scotland, UK, May. 2020VISION Exhibition. Did you know? Dolphins are o...