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Characteristics
Size : Larger rodents that may grow to a body length of 10 to 12
inches. Seldom will a rat weigh more than one pound.
Color : Can vary from gray to brown to black.
Found in coastal states, roof rats have long tails,
thin bodies, and large eyes and ears. Rats are more prevalent in
urban and rural areas, and are found in homes less often than mice
because of their larger size.
Behavior
Few people really like rats or mice, and no one wants them
in their house. Rodents live everywhere outside and could enter
at any time, but fortunately, this does not occur often. Usually,
most home invasions occur in the fall, not because of cooler weather,
but because the seeds and plants on which rodents feed outside
are gone. Rats and mice must then seek new food sources. Unfortunately,
one of these sources may be your home. Rats are excellent climbers
and are capable of gaining entry through holes around soffit vents
and around cables entering the building, through holes in gable
vent screens, and through turbine and box vents on roofs. Many
garage doors on homes allow enough space for rats to fit underneath,
as well.
Habitat
Outside, rats live in fields, wooded areas, vacant lots, farms,
and just about anywhere people have buildings. Rats are seldom
a problem in homes except in urban and rural areas. This is due
in large part to their size, since rats need a hole about the
size of a quarter in order to gain entry into a building. Rats
however, may find harborage in many areas around the home - especially
in stacked firewood, stones and bricks, and piles of leaves or
other debris.
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Rattus
rattus