Dave Bevan / Pair of Grey seals (Halichoerus grypus) mating on a beach, Norfolk, England, UK. December.

Dave Bevan / Juvenile Herring gull (Larus argentatus) pecking a suckling Grey seal (Halichoerus grypus) pup, Norfolk, England, UK. December.

Dave Bevan / Grey seal (Halichoerus grypus) pup playing with a small piece of wood on a beach, Norfolk, England, UK. December.

Francisco Marquez / Penduline tit (Remiz pendulinus) building a nest, Prespa National Park, Prespes, Greece, May.

Brian Bevan / Grey seal (Halichoerus grypus) pup trying to suckle, Norfolk, England, UK, January.

Ismaele Tortella / Pod of Killer whales (Orcinus orca) at the surface, northern Norway, November.

Ismaele Tortella / Rock ptarmigan (Lagopus muta) feeding in winter plumage, city of Tromso in the background, northern Norway, March 2019.

Morley Read / Fringe-lipped snouted treefrog (Scinax garbei) on a leaf in the rainforest at night, Orellana Province, Ecuador. (non-ex)

Morley Read / Leaf mimic katydid (Tettigoniidae) in a rainforest shrub, Orellana Province, Ecuador. (non-ex)

Morley Read / Common potoo (Nyctibeus griseus) camouflaged on nest on a dead tree stump, Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Morley Read / Common potoo (Nyctibeus griseus) camouflaged on nest on a dead tree stump, Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Morley Read / Clown treefrog (Dendropsophus reticulatus) closing its eyes, Amazon rainforest, Orellana Province, Ecuador. (non-ex)