Talking Animals

TALKING ANIMALS: GRIZZLY BEARS/BUTTERFLIES

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Sinopsis

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.