Live snakes, bats and a desert tortoise named Shelly - these animals will slither, fly and crawl their way around the California Museum on Saturday, April 25. Inspired by Earth Month and Earth Day, Family Fun Day will have the theme "California's Critters and Crawlers." From 10 a.m.-3 p.m., families and individuals will be able to enter the museum for free and view any of the regular exhibits as well as build crafts, learn about animals and view some endangered and threatened species. The goal is "to learn more about California's natural diversity," said Ashley Robinson, the museum's communications manager. Emceeing the event will be Francie Dillon, a children's entertainer who will be