Catalyst: Wildlife migration corridors

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Biologists install digital cameras and microphones around wild habitats to observe where endangered animals migrate. By mapping wildlife movements conservationists can advise governments how to build infrastructure that protects biodiversity.

WATCH: See more from season 2 of “Catalyst”

Andy Martinez

Catalyst: Acoustic Ecology Lab

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Arizona PBS nominated for eight 2025 Emmy® awards

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My Favorite Veteran: Help us honor those who serve

Sherlock
airs Sept. 21

Test your Sherlockian knowledge ahead of reair of ‘Sherlock’

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