John Waters / Pair of Brook lampreys (Lampetra planeri) spawning, thrashing tails, River Kennet, Berkshire, England, UK. January.

Wim van den Heever / South African fur seal (Arctocephalus pusillus pusillus) bull breaking apart octopus. False Bay, Cape Town, South Africa.

Wim van den Heever / South African fur seal (Arctocephalus pusillus pusillus) bull breaking apart octopus. False Bay, Cape Town, South Africa.

Russell Cooper / Red deer (Cervus elaphus) stag urinating and thrashing the ground, Surrey, UK, October.

George Sanker / Bull Elk (Cervus elaphus), mature bull thrashing a small tree during the mating season. Jasper National Park, Alberta, Canada, September

Jabruson / Hippopotamus (Hippopotamus amphibius) splashing for position in watery mud wallow, Rwindi sector of the Virunga National Park. This was taken before the massive slaughter of hippos in the region at t...

Cheryl-Samantha Owen / Blacktip reef sharks (Carcharhinus melanopterus) in feeding frenzy very close to shore, Aldabra Atoll, Seychelles, Indian Ocean

Terry Whittaker / 2020VISION / Red deer (Cervus elaphus) stag thrashing bracken, rutting season, Bushy Park, London, UK, October

Troels Jacobsen/Arcticphoto / A Leopard Seal (Hydrurga leptonyx) flays a Gentoo Penguin (Pygoscelis papua) by thrashing it to and fro. Antarctica. Sequence Six of six.

Andrew Parkinson / Fallow deer (Dama dama) head portrait of stag with grass in antlers after thrashing to display his dominance. Leicestershire, UK. December (non-ex)

George Sanker / Moose (Alces alces) bull carrying large branch after thrashing antlers during mating season, Grand Teton National Park, Wyoming, USA, October

Andy Rouse / Red deer (Cervus elaphus) stag thrashing undergrowth during rut, New Forest, UK