What maintains stability within an ecosystem and prevents a single best competitor from displacing other species from a community? Does ecosystem stability depend upon the presence of a wide variety ...

Now, critical habitat can include areas where a protected species doesn’t live but could find hospitable. The Fish and Wildlife Service and NOAA Fisheries today rescinded a Trump-era definition of ...

A new study by Yale ichthyologists provides a clearer picture of species diversity among black basses — one of the most cherished and economically important lineages of freshwater gamefish. Their ...

Dave Miller: This is Think Out Loud on OPB. I’m Dave Miller. The Trump administration is proposing to change the definition of “harm” under the regulation of the Endangered Species Act. For decades ...

Even in sunny forest gaps, browsing by roe deer prevents the natural regeneration of many tree species. Researchers at the ...

Climate change is rapidly altering our environment—and posing major challenges for many animal species. Whether they can adapt depends largely on their genetic diversity. An international study ...

In the largest study of its kind, researchers at the Florida Museum of Natural History have used data from a 120-year-old program managed by the U.S. Department of Agriculture to quantify the effects ...

WASHINGTON— In a legal victory for the Center for Biological Diversity, the U.S. Fish and Wildlife Service agreed today to again consider Endangered Species Act protections for the bridled darter.