October 6, 2010 (Rancho San Diego) -- Join Ranger Lisa, and BLM’s Biologist Joyce, a bat expert, in watching a short bat movie, and take a bat hike with bat-sensing equipment on October 22 from 6-7 p.m.. Families are encouraged to attend, and also get to know their local National Wildlife Refuge in Rancho San Diego--the San Diego National Wildlife Refuge managed by the US Fish and Wildlife Service.