Roland Seitre / Hispaniolan amazon (Amazona ventralis) captive at breeding centre, from Hispaniola. Vulnerable species.

Glenn Bartley / Eared Grebe (Podiceps nigricollis), British Columbia, Canada

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

Glenn Bartley / Willow Ptarmigan (Lagopus lagopus) male, Manitoba, Canada

Matthias Breiter / Red-sided Garter Snake (Thamnophis sirtalis parietalis) group mating after hibernation, Narcisse, Manitoba, Canada

Cyril Ruoso / Common Frog (Rana temporaria) group in breeding pond at around 2000 meters, Alps, France

Cyril Ruoso / Common Frog (Rana temporaria) group on ice covering parts of breeding pond at around 2000 meters, Alps, France

Cyril Ruoso / Giant Panda (Ailuropoda melanoleuca) two cubs playing, Chengdu Panda Breeding Research Center, China

Cyril Ruoso / Giant Panda (Ailuropoda melanoleuca) female with year old cubs playing, Chengdu Panda Breeding Research Center, China

Cyril Ruoso / Giant Panda (Ailuropoda melanoleuca) female and year old cub playing, Chengdu Panda Breeding Research Center, China

Cyril Ruoso / Giant Panda (Ailuropoda melanoleuca) year old cub in a tree, Chengdu Panda Breeding and Research Center, Sichuan, China

Donald M. Jones / Common Loon (Gavia immer) stretching wings, Troy, Montana