“What’s about 17 inches long, federally threatened and downright adorable? The Allegheny woodrat!” The U.S. Forest Service said in a Facebook post. “We were thrilled to get footage of this ...

Add tegus to the list of invasive species posing an environmental threat to the Florida Keys. On March 4, the Florida Keys National Wildlife Refuges alerted the public to the black and white tegu ...

Caption A captive desert woodrat, also known as a packrat, stands on a rock near branches from a toxic creosote bush. A new University of Utah study shows how microbes in the gut play a key role ...

This image shows a desert woodrat in a metabolism cage at the University of Utah. The cage allows researchers to measure how much food and water the rat consumes and how much waste it produces.

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Alex Badyaev (USA) documents a dexterous woodrat trying out its defences. Alex was delighted to discover an elevated woodrat nest, as it saved him from crawling through thickets of barbed cacti in the ...