Category: TWS Wildlife News

June 14, 2016

Hundreds of endangered toads released in Wyoming

On June 1, 900 captive-bred Wyoming toads (Anaxyrus baxteri) hopped into the wild at three sites along Wyoming’s Little Laramie River, marking the largest-ever release of adult amphibians by the...

June 14, 2016

Tracking the exotic Nile crocodile in Florida

They crawl through rivers, freshwater marshes and mangrove swamps in sub-Saharan Africa, the Nile Basin and in Madagascar. At about 16 feet long and 500 pounds, the Nile crocodile (Crocodylus...

June 9, 2016

Toxoplasmosis parasite widespread even in healthy nene geese

Hawaii’s native geese may be too big for cats to hunt, but that doesn’t mean they are safe from the invasive predators. Parasites spread by cat feces kill about 4...

June 9, 2016

How songbirds respond to changing weather

Weather data sets and bird surveys from past years in the Badlands and prairie regions of the United States can give researchers clues about the future of songbird species. In...

June 3, 2016

Epic wolverine journey ends in North Dakota

Wildlife managers at the North Dakota Game and Fish Department knew the dead wolverine was special even before they performed a necropsy. It was the first wolverine (Gulo gulo) reported...

June 2, 2016

Improvements to fladry

At the edge of a field, a wolf stops to study movement in the distance. Bright red flags blow gently in the breeze, just enough to make the nearby fence...

May 25, 2016

Matched underpasses offer insight into deer movement

In California’s Sierra Nevada Mountains, construction teams are carving two new wildlife underpasses beneath Highway 89. The concrete structures, nearly identical in size and shape, will do more than provide...

May 24, 2016

JWM Study: Less forest thinning can benefit martens

Pacific martens had never been tracked by GPS collars in the high elevation forests they occupy — until recently. As part of a recent study published in the Journal of...

May 20, 2016

Horse & burro population grows; BLM lays out options

In November 2015, 20 members of Congress sent a letter to Neil Kornze, Director of Bureau of Land Management, requesting information on wild horse and burro management. Kornze responded last week, addressing...

May 18, 2016

Using environmental DNA (eDNA) to monitor endangered fish

In collaboration with the California Cooperative Fish and Wildlife Research Unit, geneticist Andrew Kinziger and graduate students at Humboldt State University set out to determine whether eDNA methods provide improved...