Category: TWS Wildlife News

A breeding population of ocelots just 30 miles south of the border is likely the source of occasional cat sightings in Arizona, biologists say. The population is the northernmost known...

Climate change may be affecting mountain goats’ ability to regulate their body temperatures in the summer, causing them to seek out increasingly sparse snow patches. “It’s pretty profound to see...

An analysis of more than three decades of necropsy data show that vehicle collisions and lead poisoning are the main causes of death for Michigan bald eagles. The Michigan Department...

Instead of protecting the current areas that species inhabit, researchers found protecting climate refugia will benefit more species in the future. But it will come at a cost. “As species...

Ten environmental organizations, including Defenders of Wildlife and the Center for Biological Diversity, intend to suethe U.S. Fish and Wildlife Service to compel the agency to list wolverines (Gulo gulo)under the...

The House Natural Resources Committee approveda bill sponsored by committee Chairman Raúl Grijalva (D-Ariz.) last week that would block the administration’s recent rules that change implementation of the Endangered Species...

Caribou on Alaska’s North Slope continue to avoid oil infrastructure decades after it was put in place, especially during the calving season, according to a recent study This adds to...

Invasive lung worms introduced by nonnative Burmese pythons are infecting — and possibly killing —native species of Florida snakes, and researchers say they are spreading northward and could reach other...

When hurricanes blow strongest, Florida deer evade danger by fleeing to higher, forested ground, but those areas may also be habitat for panthers. “Clearly they’re not dumb — they respond...

In response to conflicts with cormorant at aquaculture facilities as well as other situations where the birds are a nuisance, the U.S. Fish and Wildlife Service intends to develop a...