Take a trip through the week's biggest animal news stories -- from warrior worms to the birth of a rare baby aye-aye and the sad news on a incredibly rare Asian unicorn.
Baby Aye-Aye at the Philadelphia Zoo
The Philadelphia Zoo
showed off its new baby aye-aye
, a rare animal that's native to Madagascar and faces threats from hunters and butchers.
Born to parents Medusa and Tolkien, the baby is named Smeagol -- yes, that's after the Lord of the Rings character he resembles...
Photo via Philadelphia Zoo