Talking Animals Sam Litzinger, CBS News Radio

Sam Litzinger signs off from his Talking Animals podcast for the last time -- and what better way to end the show than to talk to another animal lover -- Jane Goodall.

Obesity is a problem in America -- but not just among humans. Plus -- some good news for our national bird. Sam Litzinger features pieces from Don Dahler and Chip Reid on this week's Talking Animals.

What exactly does it mean to be a livestock sitter, and, why does such a job exist? Nikki Battiste went to Massachusetts to find out. Plus -- Sam Litzinger discusses obesity in household pets in "Ask a Vet." This and more on this week's Talking Animals.

Could the woolly mammoth make a comeback? Plus - Manuel Bojorquez reports on the latest efforts to save Florida's coral reef. Sam Litzinger features his piece and more on this week's Talking Animals.

The Trump administration's reversal -- then re-reversal of an elephant trophy ban has sparked a worldwide debate. Don Dahler reports. Plus -- is it normal to feel guilty when it is time to put a pet down? Psychology Today's Adam Clark joins Sam Litzinger on this week's Talking Animals.

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Officials at Yellowstone National Park have recruited grizzly bears to test the strength of garbage cans and coolers - which have been destroyed by bears looking for food. Carter Evans reports. Plus - a rare butterfly species is making a comeback in the Bay Area. John Blackstone has the story. Sam Litzinger features these pieces and more on this week's Talking Animals.