Countless animal groups worldwide received donations on Jan. 17, which would've been Betty White's 100th birthday, as part of the Betty White Challenge Kelli Bender is the Pets Editor at PEOPLE.

2011 Membership has now reached 25 840, as the Challenge for 30,000 members by Round One heats up, we are pleased to announce a special incentive to sign up and be our 26,000 member. Member 26 000 ...