The latest is the fisher. This forest-dwelling creature is the second-largest member of the weasel family in Pennsylvania, behind only the river otter. It has moved into parts of the Lehigh Valley ...

Despite its name, the fisher doesn't eat fish or live by the ocean. This shy, plush-furred member of the weasel family inhabits mature forests and munches on everything from birds to small mammals to ...

Though they generally live solitary lives and are very rare to see, their mating season occurs during March and April, and the increase in general activity during this time creates more chances to ...