Knut the Polar Bear Born on Dec. 5, 1996 and His Fourth Birthday Celebration in Germany

Happy Fourth Birthday, Knut the Cute!

We've admired him as a baby, sympathized when his beloved caretaker passed away and giggled when he found love . . . and now he's four!

The famed polar bear named Knut got a bunch of special snacks including something baked into his big number. See him enjoy his birthday on Dec. 5 and click through the gallery.

Image Source: Getty