Geographical Location: United States

Researchers found anticoagulant rodenticides in 11% of the vultures they tested

The Service is proposing revising the current habitat designation and developing a new recovery plan

Warmer winters are causing earlier nesting in the species—and fewer offspring

Reintroducing bison and prescribing fires can benefit grassland bird species

The new method can detect four invasive species with just one sample

USFWS survey data shows American birders spend billions of dollars on trips and equipment

To protect humans and livestock, scientists in the western U.S. find drones are an effective, nonlethal hazing method for grizzly bears

In the greater LA area, mountain lions are becoming more active at night to avoid people

Some things people are doing to help the butterfly may actually be hurting it

Krysten Schuler discusses her journey to become a wildlife disease ecologist