On the farms they lived in barns and corncribs.
Roof rats san francisco.
Globalp getty images istockphoto 4 of 10 one way to tell a norway rat.
Though you probably won t have a good look at it a roof rat s tail is another feature that differentiates it from other rodents.
Rats are members of the rodent family a group that also includes gophers squirrels and mice.
Roof rats which can grow to a body length of 10 to 12 inches are often mistaken for squirrels and can be gray brown or black.
Roof rats are climbers and usually live above ground such as in attics while norway rats commonly known as sewer rats are stockier rodents and burrow underground in building foundations.
Norway rats are reddish brown with gray undersides.
Look to nature for help.
Adult roof rats measure 6 8 16 20 cm when combining their head and body length.
They inhabited groceries warehouses feed stores poultry houses and grain warehouses.
The norway rat also called the brown wharf or sewer rat can be found virtually everywhere humans live.
In california both the norway rat and roof rat cause significant problems for property owners.
Roof rats have soft and smooth fur that is typically brown with intermixed spots of black.
Roof rats are long and thin rodents that have large eyes and ears a pointed nose and a scaly tail.
Only where populations are relatively high does one see them frequently in the daytime.
San francisco s rodent control efforts are a proactive and complaint based program to identify and control rat and mice infestations in the city and county of san francisco.
The three important urban rodents are norway rats roof rats and house mice.
The roof rat also know as the black rat is omnivorous and largely nocturnal.
Their undersides are often white gray or black.
You can have a minor rat problem without ever seeing a rat.
Roof rats prefer attics while norway rats are more partial to garages but they both will take what they can get.
The most likely culprits are roof rats which seem to be on the rise in bay area neighborhoods of all economic levels.