Gyomys
This is a mouse with big, hevy, deep
cheek pouches to store food when
hard times hit. This mouse lives and
hibernates underground during the
winter.
Lipomys
This is a rat of the desert sand dunes.
During the heat of the day, they travel
in underground burrows. Rarely do
they ever retreat to the surface during
the day, but at night they come out and
hunt for food.
Otosorex
This is a desert dweller. The huge ears on
this rat help the animal cool off in 120+
degree heat. These rats are quite
carnivorous, feeding mostly on insects.
Policomys
This rat is a year-round resident on the
Antarctic continent. It even stays during the
freezing winter. They feed excessively during
the summer months on Natopterus kits,
washed up krill, lichens, insects, bird eggs and
the like, building up fat for storage and also
partly for insulation. Come winter, it sets up a
burrow in a rocky area to stay curled up for
hibernation.
Pseudomys
A forest mouse, they inhabit the forest
floor or the lowest levels of the trees.
They build their burrows lining them
with sticks. They are omnivorous.
Pygmaemus
This is the smallest vertebrate of the
Metazoic. Smaller than most modern
shrews. It lives in specially-made nests
in the grass. They are very fast movers,
in spite of their diminuative size.
Telmamys
This is a swamp rat. They can swim, but
not as well as such species as
Potamozoicus. The tail is not really flat,
instead it is fat and round, the rear feet are
webbed, but the forefeet are bare, leaving
this rat with the better ability to feel for it's
food in murky water.
These are the type of animals we basically think of when we hear the words rat and mouse. The body is cobby, the tail is long and in most cases naked. They are built for burrowing in the ground. These are omnivorous species.
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