Guests signed a giant card for the sloth and watched her enjoy her vegetable birthday cake, which was topped with sweet potato Kelli Bender is the Pets Editor at PEOPLE. She has been working at ...

Thursday was a special day at Zoo Knoxville when people gathered to celebrate the birthday of one of their slowest moving and sleepiest animals — Joe Sloth ... and sang him "Happy Birthday." ...

"Baby Ruth" is a Linne's two-toed sloth. Zoo officials say Baby Ruth won't be an only child for long; she'll have a little brother or sister in the near future. Happy birthday, Baby Ruth!

THERE WAS A HAPPY BIRTHDAY CELEBRATION AT THE NATIONAL AVIARY. THE VERY POPULAR VALENTINO, A BABY SLOTH, HAS TURNED ONE, AND THOSE WHO TURNED OUT TODAY FOR HIS PARTY GOT TO WATCH VALENTINO GET ...