The critically endangered Diademed Sifaka, Propithecus diadema, or diademed simpona, sleeping in a tree. Marooned A Giant Eagle Owl roosting

A Giant Eagle Owl roosting on a tree branch at night

A Koala feeding on eucalyptus leaves in a zoo exhibit

A Zanzibar Red Colobus eating leaves from bushes in regrowth in a Coral Rag Forest national park

A hunting Green Moray Eel's nose snout peers beneath purple sea urchin Merimbula

An ice guide with a pick in an ice cave in the Erebus Glacier Tongue

The critically endangered Diademed Sifaka, Propithecus diadema, or diademed simpona, sleeping in a tree. Marooned A Giant Eagle Owl roostingThe critically endangered Diademed Sifaka, Propithecus diadema, or diademed simpona, sleeping in a tree. Andasibe Mantadia National Park, Madagascar.