Sven Zacek / Roe deer (Capreolus capreolus) buck in snowy field, Vesneri, southern Estonia, March. Winner of the Animal stories portfolio in the Melvita Nature Images Awards competition 2014.

Alex Hyde / House spider female (Tegenaria sp.) in garden shed. Derbyshire, UK, March. Highly Commended in the Urban Wildlife category of the 2015 British Wildlife Photography Awards (BWPA) Competition.

Jiri Lochman / Bolas spider (Dicrostichus furcatus / Ordgarius furcatus) female with bolas, a blob of silk at end of line used to swing at prey, only used by females. Bolas spiders also produce pheromones of specifi...

Sven Zacek / Ravens (Corvus corax) fighting in bog during snowfall, Tartumaa, Estonia. December.

Solvin Zankl / Ribbon sawtail fish (Idiacanthus fasciola) from Atlantic Ocean, at a depth of 800-1000m.

Anup Shah / Cheetah (Acinonyx jubatus) male juvenile aged about 18 months approaching a kill, wide angle view. Maasai Mara National Reserve, Kenya.

Staffan Widstrand / White Arctic fox (Alopex lagopus) in its winter fur looking at the camera, Svalbard, Norway, Arctic, September

Espen Bergersen / Red fox (Vulpes vulpes) walking through snow, Lapland, Finland, March.

Richard Du Toit / Ostrich (Struthio camelus) male in threat display, Rietvlei Nature Reserve, South Africa

Danny Green / White tailed eagle (Haliaeetus albicilla) in flight with snowy background, Rausu, Japan, February

Alex Hyde / Adder (Vipera berus) basking amongst bracken fronds. Peak District National Park, Derbyshire, UK. April.

Alex Hyde / Close-up of Owl Butterfly (Caligo memnon) head showing compound eyes and proboscis. Captive, originating from Central America.

Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox) tasting air, in habitat, Arizona, USA, October. Controlled conditions