Instructions: Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.
Input: Lifespan. Due to predation and hunting, squirrels' lifespans can vary drastically. The pests experience high mortality rates in their first year of life but are capable of living up to 15 years in the wild. The average squirrel lifespan is between five and six years. Since the pests are prolific breeders, homeowners dealing with squirrel infestations see populations rise dramatically. The total length of the squirrel ranges from 380 to 525 millimeters (mm). The tail length ranges from 150-250 mm. You can tell eastern grey squirrels apart from fox squirrels by their white tipped fur and white or grayish belly. Eastern grey squirrels often have a lot of red in their fur. Like other squirrels, it has large eyes set on the sides of its head that allow it to see all around with little movement of its head. It can see above and below, an adaptation well suited for life in the trees where danger can come from the ground, through the air, or along a nearby limb. Between 1930 and 1945 it underwent a huge expansion in range; it is now common throughout central and southern England, Wales and the central lowlands of Scotland (3), and is still increasing in terms of range and numbers (6). The grey squirrel has also been introduced to South Africa, Australia (3) and Italy (4). General description: Gray squirrels may have white or brownish bellies and, in winter, white ear tufts. Black and albino squirrels are variations of the gray squirrel. Length: Eight to 10 inches, with a tail roughly the same length. Weight: 1.5 pounds. Color: Mostly gray with a white to rusty-colored underside and rust-colored ears. Asker's rating. 1  Lifespan Of A Squirrel. Source(s): https://shrinks.im/a73un. 2  Squirrel Lifespan. Source(s): https://shrink.im/a8iw9. 3  Smaller rodents live less than the bigger ones, so the natural life span of squirrels varies from 4 to 7 years. They can live longer if they are well taken care of and live a calmed life. Since then they have been repeatedly released in parks, campuses, estates, and residential areas. They are now the most common tree squirrels in urban areas. The upper parts of the Eastern gray squirrel are gray with a reddish wash in summer; its underparts are whitish. It’s about 20 inches long, half of which is its prominent, bushy tail. Average Life Span in the Wild. The average life span of grey squirrels is extremely brief -- generally only between 11 and 12 months, according to the Smithsonian National Museum of Natural History. Despite this brevity in life expectancy, some free roaming grey squirrels have actually surpassed 10 years in age. In Captivity A single female grey squirrel that resided in a captive environment greatly outlived the typical life span of her species, making it to over 20 years old, reports the University of Michigan's Animal Diversity Web. Gray squirrels can be seen out in the winter months as long as the temperatures are not too cold (not below 30 degrees F) and as long as it is not raining or snowing. Food forages are calculated risks in which the use of energy (fat) reserves must yield a profit or the squirrel's vital fat insulation layer will be steadily lost and the individual will be unable to survive the winter. The grey squirrel was introduced to Great Britain in the mid-19th century. There is now an estimated population of 2 million making them much more common than the native red squirrel. 1  Overview. 2  Daily Life. 3  Winter. 4  Breeding. 5  Grey Squirrels and humans. 6  Credits. Query: how long is the lifespan of a common grey squirrel
Output:
The average life span of grey squirrels is between 11 and 12 months.