PHILADELPHIA - Caretakers of Punxsutawney Phil on Mother's Day shared the names of his groundhog babies over a month after they were born. Sunny and Shadow were picked as the names of the twin ...

The babies were discovered in March by a club member who was feeding fruit and vegetables to Phil and Phyllis. The groundhog family lives in a climate-controlled burrow at the local library.

The two baby groundhogs are Punxsutawney Phil's first children Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has previously appeared on MTV ...