Yukihiro Fukuda / Japanese giant salamander (Andrias japonicus) Hino River, Tottori, Japan, September.
John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), white or leucistic form, critically endangered in the wild, captive, native to Mexico
Will Watson / Two Great Crested Newt (Triturus cristatus) tadpoles, mid development, captive, Herefordshire, England, August.
Marie Read / Common loon (Gavia immer) adult swimming with a chick resting on its back, Presque Isle County, Michigan, USA, June.
Brian Bevan / Yellowhammer (Emberiza citronella) male singing from bramble then flies away, Bedfordshire, UK, June.
Brian Bevan / Common Kingfisher (Alcedo atthis) male fishing from blackthorn branch, catches then eats fish, Bedfordshire, UK, April.
Brian Bevan / Great crested grebe (Podiceps cristatus) courtship weed dance, Bedfordshire, UK, April.
Simon Littlejohn / Common kingfisher (Alcedo atthis) perched outside its nest, opening its wings and beak in an aggressive display to a Common blackbird (Turdus merula) which eventually flies away, River Stour, Dorset,...
Richard Hopkins / Slow motion shot of Short-eared owl (Asio flameus) taking off from the ground and flying out of frame, Gloucestershire, UK, March.
Richard Hopkins / Field vole (Microtus agrestis) cleaning itself in nest before leaving, Gloucestershire, UK, April.
Richard Hopkins / Slow motion shot of Short-eared owl (Asio flameus) flying over grassland searching for prey, before it dives into the grass and then flies away, Gloucestershire, UK, March.
John Chan / Double-crested Cormorant (Phalacrocorax auritus) chicks sitting in nest, pestering parent for food before the parent feeds one of the chicks, California, USA, May.
John Chan / Monarch Butterfly (Danaus plexippus) nectaring on a Sweet scabious (Scabiosa atropurpurea), Orange County, California, USA, May.
John Chan / Calliope hummingbird (Stellula calliope) chasing insects before returning to its perch, Southern California, USA, April.
John Chan / Monarch butterfly (Danaus plexippus) taking flight from a Pride of madeira (Echium candicans) after contact with a Honey bee (Apis mellifera), Southern California, USA, April.
John Chan / Calliope hummingbird (Stellula calliope) extending its tongue after feeding, Southern California, USA, April.
Kim Taylor / Slow motion clip of female Blackbird (Turdus merula) bathing in a stone birdbath in garden, Surrey, England, UK, May.
Kim Taylor / Female Red mason bee (Osmia bicornis) returning to her nest hole in a dead holly trunk, April.
Pal Hermansen / Spring sea ice, large sheets of floating ice off Hornsund, South Spitsbergen National Park, Norway.
Philippe Clement / Tracking shot through Beech (Fagus sylvatica) forest, with the sun shining through the foliage, dolly shot, Belgium, April.
Philippe Clement / Blue tit (Cyanistes caeruleus) collecting cotton wool for nest building before flying out of frame, Belgium, April.
Philippe Clement / Wood anemones (Anemone nemorosa) in flower in forest, dolly shot, Belgium, April.
Nick Upton / Two Red fox (Vulpes vulpes) cubs playing near the entrance to their den at dusk, Somerset, England, UK, May.
Brian Bevan / Long tailed tit (Aegithalos caudates) nest building, Bedfordshire, England, UK, April.