Edwin Giesbers / Asiatic black bear / Moon bear (Ursus thibetanus) close up of face, captive, occurs in the Himalayas. Vulnerable species.

Rolf Nussbaumer / Kemp's ridley sea turtle (Lepidochelys kempii), baby turtle walking towards sea, South Padre Island, South Texas, USA. July

Huw Cordey / Mexican free-tailed bats (Tadarida brasiliensis) emerging from Bracken Cave, Texas. Over 15 million bats are thought to live in this cave, making it the greatest concentration of mammals on the planet...

Franco Banfi / Mexican fisherman boat at dusk, fishing Humboldt squid (Dosidicus gigas) , at night off Santa Rosalia, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Claudio Contreras / Mexican blind brotula (Typhliasina pearsei) a blind cave fish, sinkhole near Tulum, Yucatan Peninsula, Mexico, August. Endangered species.

Gerrit Vyn / Pronghorns (Antilocapra americana) crawling under fence in snow during migration, Sublette County, Wyoming, USA. March.

Claudio Contreras / Red-bellied Squirrel (Sciurus aureogaster) peering round branch, Mexico City, Mexico, November.

Alan Murphy / Mexican Jay (Aphelocoma wollweberi), Arizona

Alan Murphy / Mexican Jay (Aphelocoma wollweberi), Arizona

Kevin Schafer / Guatemalan Black Howler Monkey (Alouatta pigra) calling, Community Baboon Sanctuary, Belize, Central America. Endangered species.

Kevin Schafer / Guatemalan Black Howler Monkey (Alouatta pigra) climbing, Community Baboon Sanctuary, Belize, Central America. Endangered species.

George Sanker / Pronghorn (Antilocapra americana) male, Yellowstone National Park, Wyoming, USA, June.

John Cancalosi / Axolotl / Mexican salamander (Ambystoma mexicanum), white or leucistic form, critically endangered in the wild, captive, native to Mexico