A recent study combining data from more than 76,000 surveys from 35 monitoring programs across the country found butterfly populations declined 22%.

PORTLAND, Ore.— The U.S. Fish and Wildlife Service announced today that the whitebark pine will be listed as threatened under the Endangered Species Act. The pine is the most widespread tree to ...

Most woodpecker species will drill into dead and rotten trees, but the red-cockaded variety makes its home in live long-leaf pines. And it's not a quick process as the birds must bore through ...