The Modesto Area Partners in Science (MAPS) will offer the presentation “Mountain lions and bighorn sheep: risks, rewards, or range abandonment?” by Jeff Villepique, Ph.D., a wildlife biologist with California Fish & Wildlife, Inland Deserts Region. The free event is scheduled for Friday, Sept. 30 at 7:30 p.m. in Sierra Hall 132 on Modesto Junior College’s West Campus, 2201 Blue Gum Ave., Modesto. After discussing the biology and status of bighorn sheep in California, Villepique will share his experiences researching the influences of mountain lions on bighorn sheep behavior.