Agency proposes lifting protections for most humpback whales

The federal government on Monday proposed removing most of the world's humpback whales from the endangered species list, saying the massive mammals have rebounded after 45 years of protection and restoration efforts.

Green sea turtles recover in Florida, Mexico

Long considered an endangered species, green sea turtles in Florida and Mexico have bounced back and officials said Friday they are seeking to change the turtles' protected status to "threatened."

Manatees could lose their endangered species status

About 2,500 manatees have perished in Florida over the last four years, heightening tension between conservationists and property owners as federal officials prepare to decide whether to down-list the creature to threatened ...

Where have all the swallows gone?

Extinction: the permanent loss of a species. It is deeply troubling—and scientists and birdwatchers are ringing the alarm about a bird species that only a few decades ago was widespread and very common.

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