Researchers develop DNA approach to forecast ecosystem changes

When wolves returned to Yellowstone in 1995, no one imagined the predators would literally change the course of rivers in the national park through cascading effects on other animals and plants. Now, a Stanford University-developed ...

Elusive eastern black rail threatened by rising sea levels

The U.S. Fish and Wildlife Service declared the Eastern black rail a threatened species on Wednesday, but stopped short of the stronger protections some environmentalists were seeking for the elusive bird, now imperiled by ...

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