Sciuridae Classification. Chipmunks are small mammals with distinct stripes, while the tree squirrel is larger and doesn't have stripes. The ground squirrel has body stripes like chipmunks, but no head stripes. A tree squirrel is larger, has a longer tail and no stripes. Tree squirrels feed mostly on plant material, including seeds, nuts, acorns, tree buds, berries, leaves, and twigs. Chipmunks have a similar diet, but smaller plants are consumed.
One study of a least chipmunk's food caches revealed some acorns and over cherry pits. Chipmunk Calls: The chipmunk makes a variety of calls including clucks calls and high-pitched chips. Chipmunks are very vocal and some of the calls sound like bird chirps.
Listen to calls of the Chipmunk ». Squirrel Calls: The call of the Eastern gray squirrel— que, que, que, que —is usually accompanied by flicks of the tail. The alarm call is a series of rapid clicking sounds—kuk, kuk, kuk—which warns all other nearby squirrels of danger. A commonly heard vocalization is a rasping whisk accompanied by a flick of the tail.
Type: Mammals. Diet: Omnivore. Group Name: Scurry, dray. Size: Five to 36 inches. Weight: 0. Size relative to a teacup:. This photo was submitted to Your Shot, our photo community on Instagram. Follow us on Instagram at natgeoyourshot or visit us at natgeo. Share Tweet Email. Go Further. Animals Wild Cities This wild African cat has adapted to life in a big city. Animals This frog mysteriously re-evolved a full set of teeth.
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They can glide up to feet 48 m , making it look like they can fly. On average, squirrels eat about one pound of food per week. Many people think that squirrels only eat nuts, but this isn't true. Squirrels are omnivores, which means they like to eat plants and meat. Squirrels mainly eat fungi, seeds, nuts and fruits, but they will also munch on eggs, small insects, caterpillars, small animals and even young snakes. To prepare for cold months, squirrels will bury their food.
In the winter months they have a store of food they can eat when supplies are scarce. A female carries her young for a gestation period of 29 to 65 days, depending on the size of the species; smaller squirrels have shorter gestation periods, according to the University of Michigan's Animal Diversity Web.
Mothers give birth to two to eight offspring at one time. Babies are called kits or kittens and are born blind. They depend on their mothers for around two or three months. After seven to eight weeks, the young are weaned. When the kits leave the nest, they don't travel farther than 2 miles from home, according to the Massachusetts Department of Wildlife and Fisheries.
Some species of squirrel have new litters every few months or as little as twice per year. According to the International Union for the Conservation of Nature's Red List , these species are endangered: San Joaquin antelope ground squirrel, woolly flying squirrel, Sipora flying squirrel, Mentawi flying squirrel, Siberut flying squirrel, smoky flying squirrel, Vincent's bush squirrel, Baja California rock squirrel, Idaho ground squirrel, Perote ground squirrel, fraternal squirrel and Mearns' squirrel.
The Namdapha flying squirrel is critically endangered. Squirrels have four teeth in the front of their mouth that constantly grow throughout their lives.
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