A newly published study reveals that river otters (Lontra canadensis) now inhabit most of their historic range in the U.S. and, more importantly, that no states are reporting declining otter populations. In fact, the study reveals the river otter may actually be approaching maximum geographic distribution in the United States.
Idaho's air-dropped beavers, muskrat pens and ear-tagged marten
In 1948, game warden and pilot Elmo Heter executed a plan years in the making to reintroduce beavers into the mountainous wilds of Idaho. The project gained international fame in 2015, when a local historian discovered lost footage of the program. As seen in the video, the reintroduction efforts didn’t stop at parachuting beavers.