David Woodfall / European beaver (Castor fiber) rear view in wetlands, in captive breeding programme .Bevis Trust, Carmarthenshire, Wales, UK, May.

David Woodfall / European Beaver (Castor fiber) amongst Pondweed (Potomogeton natans) in freshwater lake Bevis Trust, Carmarthenshire, Wales, UK, June.

Andy Rouse / Cuckoo (Cuculus canorus) perched on conifer in habitat. Wales, UK. May

Andy Rouse / Cuckoo (Cuculus canorus) in habitat, Wales, UK, May.

Phil Savoie / Smeathmans furrow bee (Lasioglossum smeathmanellum) feeding on Allium flower. Monmouthshire, Wales, UK, May.

Terry Whittaker / Menai Strait and Telford suspension bridge. Isle of Anglesey, Wales, October 2018.

TJ Rich / Four chocolate working cocker spaniels on wall. Mother and offspring. Monmouth, Monmouthshire, Wales

David Gallan / Two Southern right whales (Eubalaena australis) playing in shallows, taken with drone, Tathra Beach, New South Wales, Australia, August.

David Gallan / Lace monitor (Varanus varius) sensing with tongue, New South Wales, Australia, December.

David Gallan / Slow motion clip of a Wedge-tailed eagle (Aquila audax) landing in nest, Mimosa National Park, New South Wales, Australia , September.

Dave Bevan / Common wasp (Vespula vulgaris) adding material to nest, Carmarthenshire, Wales, UK, July.

Dave Bevan / Pair of Sand martins (Riparia riparia) feeding chicks, Carmarthenshire, Wales, UK, July.