Nigel Cattlin / Large rose sawfly (Arge pagana) larvae feeding on ornamental rose leaves in summer, Berkshire, September

David Perpinan / Oystercatcher (Haematopus ostralegus) incubating eggs on nest, alarm calling as a predator flies overhead, Scotland,UK, June.

Remi Masson / Eurasian beaver (Castor fiber) carrying branches back to lodge, dropping them when alarmed. River Rhone, Rhone-Alpes, France, June.

Andrew Parkinson / Brown hare (Lepus europaeus) adult female (mid-air) leaping out of her form in snow, away from male, Derbyshire, UK. March.

Andrew Parkinson / Brown hare (Lepus europaeus) adult female skidding to a halt in a snow covered field, Derbyshire, UK, March.

Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck jumping and flashing tail, North America

Edwin Giesbers / Arctic tern (Sterna paradisaea) in flight, vocalising, aggresive behaviour, Farne Islands, Northumberland, UK, June

Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) barking while standing atop burrow, South Dakota

David Hall / Blackfoot firefish (Parapterois heterurus), blue stripes on pectoral fin when threatened, on gravel. Pantar, Alor Archipelago, Indonesia.

Karine Aigner / Greater roadrunner (Geococcyx californianus) with open beak, portrait. Texas, USA. June.

Cyril Ruoso / Ringed-tailed lemur (Lemur catta) female with baby amongst Tomato crop, Anja Community Reserve. Madagascar.

Nigel Cattlin / Large rose sawfly (Arge pagana) larvae feeding on ornamental rose leaves in summer, Berkshire, September