The Methow Project, as I reported this month for High Country News , captures tree-felling, ditch-clogging nuisance beavers in eastern Washington and relocates them to public lands in the Cascades. There, the buck-toothed engineers construct salmon-sheltering wetlands, recharge groundwater and create habitat for wildlife from salamanders to moose. In between live-trapping and release, the Project houses its wards at the Winthrop National Fish Hatchery , where males and females form pair-bonds that help them better survive in the wild. Beavers, you see, lack familiar mammalian plug-and-socket genitalia.
How do you sex a beaver? Squeeze and sniff
Sexual Dimorphism in Beaver Neutrophils | Journal of Mammalogy | Oxford Academic
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The Secret Sex Lives of Beavers
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Back in we successfully campaigned to get beavers returned to the wild in Devon. Where they're allowed to get on with it, these amazing creatures can do a huge amount to help nature — improving the local habitat that provides a home for other species. Beavers are just one of the precious parts of nature we want to protect in the British countryside. Sadly, a quarter of British mammals are facing extinction.