Jessica Lamberton of Sky Island Alliance discusses facts and myths about feline predators of the region, including bobcats, mountain lions, jaguars and ocelots, at 1 and 3:15 p.m., Sunday, June 5. Free with park use fee: $5; $1 each after the first five people in the party; $1 bicyclist; $2 motorcycle; $1 per person tour bus. Call or visit colossalcave.com for more information.