ANIMALS
Animal Planet Expo
The traveling Animal Planet Expo visits the South Shore this weekend. Highlights of the event sponsored by the network include a 30-foot "King Croc" slide, an exhibit called the "Planet Green Experience" that promotes green living for people and animals, a bug house, and a station where you can download a picture of you with studly Animal Planet personalities Dave Salmoni and the Jeff Corwin. 10 a.m. to 4 p.m. today and tomorrow. Free. Marshfield Fairgrounds, 140 Main Street, Marshfield, 781-834-6629. animal.discovery.com 