Award-winning Animal Planet host Jeff Corwin unleashes his “Tales from the Field” presentation on wildlife, ecology, and conservation at SAC, bringing along live reptiles for display and discussion. The adventure-seeking wildlife biologist is widely recognized for his work in communicating the need for a sustainable approach to using natural resources, and has been an advocate for endangered species and world ecosystems since his teenage years. Free, 7pm, McAllister Auditorium, San Antonio College, 1300 San Pedro, (210) 486-0901.