Andy Rouse / Bengal Tiger (Panthera tigris) family drinking from pool, Ranthambhore, India

Mick Jenner / Water vole (Arvicola amphibius) feeding on plastic, West Sussex, England, UK.

Terry Whittaker / Water vole (Arvicola amphibius) swimming underwater, dragging nesting material back to its burrow, Kent, England, UK. October.

Terry Whittaker / Water vole (Arvicola amphibius) feeding on Yellow flag iris (Iris pseudacorus) seed pods, Kent, England, UK. October.

John Waters / Timelapse Frogs (Rana temporaria) spawning in garden pond, Somerset, England, UK. March.

Nick Upton / Eurasian beaver (Castor fiber) at night, swimming, Devon Wildlife TrustÕs Devon Beaver Project enclosure, Devon, England, UK, March.

Nick Upton / Eurasian beaver (Castor fiber) feeding on grass amongst Meadow buttercups (Ranunculus acris) near a pond in a large enclosure, Devon, England, UK, June. Captive.

Dietmar Nill / Slow motion shot of a Common kingfisher (Alcedo atthis) diving into a pond and emerging with a fish, Germany, December.

Alastair MacEwen / Time-lapse of toadspawn from a Common toad (Bufo bufo) developing, emerging and feeding on nutrient jelly, Somerset, England, UK, April.

Alastair MacEwen / Close up time-lapse of frogspawn from a Common frog (Rana temporaria) developing, emerging and feeding on nutrient jelly, Somerset, England, UK, April.

Alastair MacEwen / Time-lapse of frogspawn from a Common frog (Rana temporaria) developing, Somerset, England, UK, April.

John Waters / Underwater view of a group of Common toads (Bufo bufo) in a mating ball in a pond, Priddy, Somerset, England, UK, March.