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A white-tailed deer, the state animal of Pennsylvania, in Berwyn, Pennsylvania [1] This list of mammals in Pennsylvania consists of 66 species currently believed to occur wild in the state. This excludes feral domesticated species such as feral cats and dogs. Several species recently lived wild in Pennsylvania, but are now extirpated (locally ...
In many small species, food caching replaces eating and becoming fat. [4] Some species of mammals hibernate while gestating young, which are born either while the mother hibernates or shortly afterwards. [5] For example, female black bears go into hibernation during the winter months in order to give birth to their offspring. [6]
In most areas, groundhogs hibernate from October to March or April, but in more temperate areas, they may hibernate as little as three months. [45] Groundhogs hibernate longer in northern latitudes than southern latitudes. [46] [47] To survive the winter, they are at their maximum weight shortly before entering hibernation. [48]
Grey squirrels, or Eastern grey squirrels, primarily live in the Eastern half of the U.S. and southern Canada. There is also a healthy population in the U.K., where they were imported in the 19th ...
As a species, the American mink represents a more specialized form than the European mink in the direction of carnivory, as indicated by the more developed structure of the skull. [5] Fossil records of the American mink go back as far as the Irvingtonian , though the species is uncommon among Pleistocene animals.
The American badger is a member of the Mustelidae, a diverse family of carnivorous mammals that also includes weasels, otters, ferrets, and the wolverine. [4] The American badger belongs to the Taxidiinae, one of four subfamilies of mustelid badgers – the other three being the Melinae (four species in two genera, including the European badger), the Helictidinae (five species of ferret ...
Some mammals hibernate, and reptiles enter brumation. But in some cases, animals aren't as capable of surviving the harsh conditions. Here's what Texas wildlife rehabbers suggest for animals in ...
Some bears in Russia are half-asleep and unable to properly hibernate due to recent weather patterns, according to wildlife officials. ... “For every 1°C (about 1.8°F) increase in winter ...