Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), three climbing tree. Northern Colombia.

Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), adult with two week old baby on back. Northern Colombia.

Thomas Marent / Cotton-top Tamarin (Saguinus oedipus) with red pollen after feeding on flower nectar, Tayrona National Natural Park, Colombia

Paul Harcourt Davies,Paul Harcourt Davies / Heldreich's Ophrys (Ophrys heldreichii) in flower, against white background, near Plakias, Crete, May

Angelo Gandolfi / Aerial view of people kayaking on the river Megalos Potamos, between the endemic Cretan palm trees (Phoenix theophrasti) Crete, Greece

Adrian Davies / Colourful Honey bee (Apis mellifera) hives in fields, Crete, Greece. July 2010

Fabio Liverani / Crested Newt (Triturus cristatus carnifex) underwater view of female swimming near surface, Traversari lake, Campigna National Park, Emilia Romagna and Tuscany regions, Italy

Fabio Liverani / Crested Newt (Triturus cristatus carnifex) split level view of female swimming near surface, Traversari lake, Campigna National Park, Emilia Romagna and Tuscany regions, Italy

Fabio Liverani / Crested Newt (Triturus cristatus carnifex) underwater view of female swimming on surface, Traversari lake, Campigna National Park, Emilia Romagna and Tuscany regions, Italy

Lisa Hoffner / Wild Cotton-top tamarin (Saguinus oedipus) appears to fly through the air as it jumps from branch to branch in the dry tropical forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Wild Cotton-top Tamarin (Saguinus Oedipus) on vine, in tropical dry forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Wild Cotton-top tamarins (Saguinus oedipus) climbing up fallen branches in dry tropical forest of Colombia, South America. IUCN List: Critically Endangered