Endangered right whales and calves spotted

Pet snake saves family from house fire

11 U.S. species endangered by climate change

Tarantulas have a secret, painful weapon

Cow thinks he's a dog

Family keeps deer as pet

Christmas journey of turtles tracked by scientists

World's rarest gorilla captured on video

Zoo animals get festive

Real-life vampires and other unpleasant facts of nature

Prehistoric pygmy sea cow fills in evolutionary gaps

How did the zebra get its stripes?