These nuisance species are found throughout the united states and generally vary in size from 2 to 7 inches in.
Animals in attic winter.
Common winter animal invaders bats.
If you hear noises in your attic at night there is probably a raccoon or a flying squirrel there since they are nocturnal.
Roof rats in particular are very common in attics in warmer areas and norway rats in cities.
The animals that are most likely to be living in your attic are squirrels and raccoons.
If you hear noises during the daytime it is probably a squirrel since they are only active during the day.
Squirrels in the attic.
Raccoons usually have young in spring but it varies depending on climate.
Although several species of squirrels will live in attics the eastern gray squirrel is the most common culprit.
This matters a lot because most animals inside an attic are there to build a nest and raise baby animals.
Rats and mice are very common animals in attics throughout much of the country.
Mice are common in many areas as well.
Squirrels give birth twice a year in late summer and late winter and the babies take only about 8 weeks to be full grown.
There are two types of rats the common rat and the norway rat.
These small rodents can fit through tiny entry holes and infest an attic in large numbers.
Probably the most common animals found in attics are rats and mice.
The norway rat is predominately ground based and lives in sewers and basements.
I ll start with squirrels which are the most common type of critter nationwide to invade attics.
These marsupials are another common winter nuisance that invade homes.