Walter Soestbergen / Eared Grebe (Podiceps nigricollis) male in breeding plumage, Utrecht, Netherlands

Thomas Hinsche / Black-tailed Godwit (Limosa limosa) calling, Texel, Netherlands

Duncan Usher / Western Lowland Gorilla (Gorilla gorilla gorilla) mother walking with young holding on, Arnhem, Netherlands

Jasper Doest / Ring-tailed Lemur (Lemur catta) mother with young, Netherlands

Silvia Reiche / Peacock Butterfly (Inachis io) on flower, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Wasp Spider (Argiope bruennichi) in web, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Red Admiral (Vanessa atalanta), Hoogeloon, Netherlands. Sequence 13 of 14

Silvia Reiche / Black-veined White (Aporia crataegi) butterfly on Sea Thrift (Armeria maritima), Hoogeloon, Netherlands

Silvia Reiche / Black-veined White (Aporia crataegi) butterfly on Meadow Clary (Salvia pratensis), Hoogeloon, Netherlands

Duncan Usher / Ring-necked Pheasant (Phasianus colchicus) males in territorial fight, Texel, Netherlands

Duncan Usher / Ring-necked Pheasant (Phasianus colchicus) males in territorial fight, Texel, Netherlands

Duncan Usher / Ring-necked Pheasant (Phasianus colchicus) males in territorial fight, Texel, Netherlands