The Adirondacks
are home to many different species of animals, and the constant human presence
in the region allows for close monitoring of many of these species. One species
that I often wonder about is the flying squirrel. Being a student at Hamilton
College affords me ample opportunities to observe squirrels, and so I have
become more attuned to the activities of squirrels in general. However there
are no flying squirrels on the Hamilton campus, so they naturally pique my
interest. Fortunately, flying squirrels do live in the Adirondacks.
The first unique aspect of the
flying squirrel is that it is nocturnal. In fact, it is the most common
nocturnal tree dwelling mammal in the Adirondack Park. Most other squirrel
species are diurnal, which makes it slightly easier to spot flying squirrels,
as they are likely the only squirrels roaming around during the Adirondack
nights. The flying squirrel is distinct from other squirrel species due to the
loose fold of skin, called a patagium, which extends from its front to hind
legs and is connected to its sides. The patagium allows the flying squirrel to
glide forward and descend slowly after leaping from trees. In addition to the
patagium, the flying squirrel has a wide and flat tail, which, in addition to
assisting in gliding, plays a large role in allowing the squirrel to alter its
flight path in order to more accurately land on different objects. Additionally,
the flying squirrel is unique from other squirrels because it is omnivorous,
while most other squirrel species do not eat any animal matter.
In the Adirondacks, there are two
separate species of the flying squirrel: the southern flying squirrel and the
northern flying squirrel. The southern flying squirrel is the smaller of the
two species, and generally remains in lower elevation forests, while the
northern flying squirrel is more resistant to cold temperatures, and therefore
can be found throughout different types of forests, regardless of their
elevations. It can be difficult to determine the species of a given flying
squirrel, as besides the slight size difference, the only main distinguishing
factor is a slight color difference.
The flying squirrel is a unique and
interesting creature, which is quite different from any other animal in the
Adirondacks. Though they can be difficult to spot, if you are ever in the
Adirondacks after dusk and see a small dull gray squirrel, you may indeed be
observing the elusive flying squirrel.
Sources
http://www.adirondackalmanack.com/2012/07/adirondack-wildlife-the-flying-squirrels.html
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