Hawaiian monk seals

The Hawaiian monk seal (Monachus schauinslandi) is the only truly tropical seal in the world and it is critically endangered. There are fewer than 1100 monk seals remaining in the entire Hawaiian Archipelago.Monk seals are mostly nocturnal feeders with a very diverse diet including eels, octopus, lobsters and fish. They come up onto land to rest.

Eastern Screech Owl

Masters of disguise. The Eastern Screech Owl is seen here doing what they do best. You better have a sharp eye to spot these little birds of prey. Location: Okefenokee Swamp, Georgia, USA

Wrangel Island, Muskoxen

Explore a haven for wildlife, frozen in space in time. Here, two male muskoxen size each other up during mating season.

2011 British Wildlife Photography Awards

Overall Winner: "Jellyfish in the Blue Sea":
A brilliantly colored jellyfish illuminates the depths near the tiny Scottish island of Sula Sgeir in the winning picture from the 2011 British Wildlife Photography Awards, announced this week.

African Ambush:Crocodile Attacks Elephant

Rare Pictures:A routine trip to the water hole recently resulted in a life-or-death struggle for a pair of African elephants when they were ambushed by a hungry Nile crocodile .