Farmer saves oldest-known living Icelandic sea eagle

Hawaiian crows return from extinction in wild

Watch a comb jelly snack on a friend

Cow makes a bold bid for freedom — and joins a herd of wild bison

How a community helped save hundreds of 'cold stunned' turtles

Serene snowy owl goes with the floe

The Eastern cougar has officially been declared extinct

Rub-a-dub-dub, who needs a tub?

Divers just found newest members of the world's rarest fish club

A fox and a snowy owl met on a winter night

Now we know what makes this centipede's toxin so deadly

Clever crows use the best stick for the job