Here's what contributed to the extinction of ivory-billed woodpecker, 22 other species

The U.S. Fish and Wildlife Service proposed moving 23 animals and plants off the endangered species list, declaring them extinct. Perhaps the most well-known of the species deemed gone forever is the ivory-billed woodpecker. These extinctions are part of an accelerating crisis driven by human actions. John Yang and Tierra Curry, a senior scientist at the Center for Biological Diversity, discuss.
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