Laurie Campbell / Common starling (Sturnus vulgaris) flock at dusk engaging in pre-roost display, Dumfries-shire, Scotland, March

Ben Hall / 2020VISION / Young girl showing her grandfather a bluebell flower, The National Forest, Midlands, April 2011, Model released. 2020VISION Exhibition. Did you know? At the beginning of the 20th century special 'Blue...

John Cancalosi / Blacktail Prairie Dog (Cynomys ludovicianus) engaging in Jump-yip behavior - A strong arch of the back or "jump" followed by a shrill "yip" - Thought to occur when a predator has left the area and in...

Sue Daly / Anemone Hermit Crabs (Pagurus prideaux) engaging in courtship behaviour. Maseline Harbour, Sark, British Channel Islands, September.

Daniel Heuclin / Deathstalker / Palestine Yellow Scorpions (Leiurus quinquestriatus) pair engaging in courtship. Tunisia, Africa.

Laurie Campbell / Starling (Sturnus vulgaris) flock at dusk engaging in pre-roost display, Dumfries-shire, Scotland, March

Laurie Campbell / Starling (Sturnus vulgaris) flock at dusk engaging in pre-roost display, Dumfries-shire, Scotland, March

Ben Hall / 2020VISION / Young girl showing her grandfather a bluebell flower, The National Forest, Midlands, April 2011, Model released. Did you know? According to some estimates Britain has over half the world population of...

John Cancalosi / Two Blacktail Prairie Dogs (Cynomys ludovicianus) one adult, and a juvenile, engaging in a greeting 'kiss' Wyoming, USA

John Cancalosi / Blacktail Prairie Dog (Cynomys ludovicianus) engaging in Jump-yip behavior - A strong arch of the back or "jump" followed by a shrill "yip" - Thought to occur when a predator has left the area and in...

Anup Shah / African lioness (Panthera leo) engaging with playful cubs, Masai Mara National Reserve, Kenya. March.

Steven Kazlowski / Polar bears {Ursus maritimus} engaging in some sort of dominance, mating or play behaviour at sunrise, Arctic National Wildlife Refuge, Alaska

Gerry Ellis / African Elephant (Loxodonta africana) close up portrait of two bulls engaging in greeting ritual, Amboseli National Park, Kenya

Michio Hoshino / Humpback Whale (Megaptera novaeangliae) group engaging in cooperative gulp feeding, Alaska

Tui De Roy / Atlantic Puffin (Fratercula arctica) three engaging in group courtship during breeding season, Skomer Island, Wales

Yva Momatiuk & John Eastcott / African Lion (Panthera leo) sub-adult male reluctantly engaging in play with three month old cub, Masai Mara National Reserve, Kenya