How some zoos address wildlife concerns.
More of Sharon Deem's interview

Reacting to wild predators.
More of Sebastien Bonneu's interview

Formative experiences with animals.
More of Stephen Blake's interview

The USDA's wildlife killing program.
More from Paul Shapiro's interview

Rationale for trophy hunting.
More from Gail Zimmerman's interview

Discovering the hard reality for wildlife.
More of Keli Hendricks' interview

A celebrity mountain lion.
More from Jolene's interview