Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) in tree, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October. Endangered species.

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) juvenile, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October. Endangered species.

Konrad Wothe / Mandara Lakes in the dunes of Ubari, oasis Um el Ma, Libyan desert, Libya, Sahara, North Africa, December 2007

Konrad Wothe / Tuaregs under date Palm at Mandara Lakes, oasis Um el Ma, Libyan desert, Libya, Sahara, North Africa, December 2007. No release available.

Claudio Contreras / Jamaican fruit eating bat (Artibeus jamaicensis) captive, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, June

Norbert Wu / Electric Eel (Electrophorus electricus) can generate up to 220 volts, freshwater, Steinhart Aquarium, San Francisco, California

Jabruson / Armed Eco-Guard at National Park Headquarters at Camp Ma'an National Park, Southern Cameroon.

Winfried Wisniewski / Ruff (Philomachus pugnax) male flying at lek, Varanger Peninsula, Norway

Jeff Rotman / Northern Sea Star (Asterias vulgaris) opening a mussel. Gloucester, MA, New England USA- North Atlantic Ocean.

Jeff Rotman / Northern Sea Star (Asterias vulgaris) opens a mussel. Gloucester, MA, New England - North Atlantic Ocean.

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) with mouth open. Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October. Endangered species.

Claudio Contreras / Red-Eyed Tree Frog (Agalychnis callidryas), Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October.

Claudio Contreras / Red-Eyed Tree Frog (Agalychnis callidryas) clasping stem, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October.

Claudio Contreras / Red-Eyed Tree Frog (Agalychnis callidryas) on leaf, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October.

Konrad Wothe / Um el Ma oasis and sand dunes, Libyan desert, Libya, Sahara, Africa, December 2007

Konrad Wothe / Um el Ma oasis with date palms and sand dunes, Libyan desert, Libya, Sahara, North Africa, December 2007

Jean E. Roche / Fossil of trunk of Araucaria coniferous tree from 225 MA, Natural History Museum, Paris, France

Wild Wonders of Europe / Muñoz / Coastal landscape, Lag Ma Leatha, Southwest Lewis, Outer Hebrides, Scotland, UK, June 2009

Wild Wonders of Europe / Muñoz / Granite rocks with Mealisval (Mealaisbhal) mountain in the distance, Lag Ma Leatha, Southwest Lewis, Outer Hebrides, Scotland, UK, June 2009

Claudio Contreras / Jamaican fruit eating bat (Artibeus jamaicensis) carrying baby, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, June/97.

Rob Tilley / Pink Lady's Slipper (Cypripedium acaule), South Natick, MA, USA

Rob Tilley / Button bush seedheads and leaves {Cephalanthus occidentalis} MA, USA

Todd Pusser / Humpback whale tail fluke {Megaptera novaeangliae} Stellwageb Bank, MA, USA

Todd Pusser / Humpback whale pectoral fin {Megaptera novaeangliae} Stellwageb Bank, MA, USA

Todd Pusser / Humpback whale tail fluke {Megaptera novaeangliae} Stellwageb Bank, MA, USA

Rob Tilley / Snapping turtle with head retracted {Chelydra serpentina} MA, USA

Jeff Rotman / Flounder close up - face change (Pleuronectidae) MA, USA

TOM WALMSLEY / Fin whale lunge feeding (Balaenoptera physalus) Atlantic, Cape Cod, USA

Jeff Rotman / Young flounders camouflaged on seabed. (Pleuronectidae) Atlantic, USA

Onne van der Wal / Beetle Cats racing off Padanaram, Massachusetts, USA. Designed in 1921 by Carl Beetle in MA, ^^^ these colourful gaff-rigged dinghies continue to be built and remain an active and popular one-design f...

Onne van der Wal / Man hammering nail into traditional Beetle cat in Padanaram, Massachusetts. Designed in 1921 by Carl Beetle in MA, these gaff-rigged dinghies continue to be built and remain an active and popular one-...

Onne van der Wal / Beetle Cats racing off Padanaram, Massachusetts, USA. Designed in 1921 by Carl Beetle in MA, ^^^ these colourful gaff-rigged dinghies continue to be built and remain an active and popular one-design f...

Onne van der Wal / Beetle Cats racing off Padanaram, Massachusetts. Designed in 1921 by Carl Beetle in MA, these colourful gaff-rigged dinghies continue to be built and remain an active and popular one-design fleet.

Onne van der Wal / Beetle Cats racing off Padanaram, Massachusetts, USA. ^^^Designed in 1921 by Carl Beetle in MA, these colourful gaff-rigged dinghies continue to be built and remain an active and popular one-design fl...

Chris Shields / Illustration of the a pre-dinosaur tetrapod, the Pelycosaur (Dimetrodon). Lived from Early Permian to Middle Permian about 220 Ma ago.

Chris Shields / Illustration of the dinosaur Compsognathus,about the size of a turkey. Lived in the late Jurassic, 150 Ma ago.

Chris Shields / Illustration of the dinosaur Coelophysis,living in the Late Jurassic / Early Triassic, 203-216 Ma ago.