News

Amphibian species and community richness has been declining in North America and climate change may play a role in these declines. Global climate...

There’s hot new real estate for wildlife in south San Francisco Bay, and a report from USGS biologists shows that the waterbirds are flocking in.

Did you know that the USGS is studying raptors in California? Biologists with the USGS Western Ecological Research Center are hard at work in the...

Many amphibians are either too small or too slow to avoid an oncoming car. For some populations of the Federally threatened Yosemite toad (Anaxyrus...

A new study published in Conservation Biology ties the presence of invasive crayfish to higher numbers of mosquito larvae within the Santa Monica...

The Cosumnes River watershed has seasonal, non-point source hotspots for total mercury and methylmercury production, which discharge to the Sacramento...

SOUTHERN CALIFORNIA – It may not be the most intuitive place for an endangered species to recover, but the staff of the U.S. Marine Corps Base Camp...

SAN GABRIEL MOUNTAINS, CA — Last week, biologists from the USGS Western Ecological Research Center (WERC) and partnering agencies released hundreds of...

“If we find a duck with one of those, we say it’s wearing jewelry,” said a visitor, gesturing to the shining metal bands on the table. The bands in...

This month, we recognize two WERC scientists for their decades of research on endangered songbirds, and the geology and hydrology of mountain...