News

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...

In a new study, U.S. Geological Survey (USGS) scientists ranked more than 160 species and sub-species of reptiles and amphibians in terms of their...

In the featured photo, WERC scientists search for potential nesting habitat of seabirds like the Ashy Storm-Petrel (Oceanodroma homochroa) on False...

WERC biological science technician Shannon Waters is part of a research team studying the effects of warming water temperatures on Chinook salmon. On...