News

Swaths of salt ponds once spanned the horizon beyond the levees of Alviso. But as part of a major project restoring wetland habitat to Silicon Valley...

When does the pocket mouse cross the road? If the road is paved, it may not. As evidenced by many a roadkill carcass, high traffic roads pose an...

Mallards (Anas platyrhynchos) — that familiar duck species ubiquitous to park ponds with males parading their emerald-green heads — have picked up a...

On Wednesday and Thursday this week, USGS Western Ecological Research Center scientists joined research partners in releasing 100 juveniles of the...

One of the founding biologists of the USGS National Amphibian Research and Monitoring Initiative (ARMI) and a renowned expert on California amphibians...

Frogs, toads, salamanders and other amphibians are less commonly found today in the United States than they were nine years ago, according to a new...

A wildlife biologist and environmental contaminants expert with the Department of Interior for more than 30 years, USGS Western Ecological Research...

Remember P-22, the Hollywood cougar? Now the Griffith Park cat has its own mini-documentary.

Migrating ducks play an important part in the transmission and mixing of new avian influenza strains in their northern California wintering grounds...

The U.S. Geological Survey has teamed up with California State University, Sacramento to provide students and faculty with an Ecology Colloquium lectu...