Douglas’ Squirrel
Tamiasciurus douglasii
Douglas’ Squirrel Tracks
Douglas squirrel scolding from a tree. Hover mouse pointer over picture above to start sound. Netscape users: click here to see and hear a Douglas' squirrel scolding |
Natural History of
Douglas’ Squirrels
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Douglas'
squirrels are active during the day. They have rust
red coats and white rings around the eyes. The
underside is orange. Long, curved toenails act as
hooks to help the animals climb. Douglas' squirrels
build their nests high in trees. In summer, they build
a nest out of lichens, mosses, twigs, and bark. In
winter, their nests are located in holes in trees.
They also live in ground burrows and sometimes move
into and cap abandoned bird nests with sticks and
leaves.
These squirrels are fairly noisy and will scold and chatter at people from their perches. Their tracks show four toes on the front foot and five toes on the hind foot. The young, usually a litter of four to six, are born in May or June. A family group may stay together for almost a year. Douglas' squirrels are also called pine squirrels or chickarees. |
They
eat green vegetation, new shoots of conifers, acorns,
nuts, mushrooms, insects, fruits, and berries. They
are fond of cones and will drop them to the ground and
gather them up later for winter storage. They
establish favorite feeding stations in the trees. They
eat the seeds, which they get to by stripping the
cones. Cone scales mound up on the ground below
feeding stations in piles called middens. The
squirrels also stash mushrooms in the forks of tree
branches for later use. Douglas' squirrels open acorns
by gnawing on the shells. You may find piles of these
opened nuts beneath a tree where the squirrel has been
working.
Common predators include bobcats, foxes, house cats, and owls. Humans raid the cone caches for seeds to be used in planting nursery trees. |
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Douglas squirrel feeding signs. These Douglas Fir cones were stripped of their bracts (the cone scales) and the seeds underneath them were eaten. |
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Douglas squirrel
tracks in mud. Both front feet. |
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Squirrel track pattern in snow. These are not Douglas' squirrel tracks, but they have a similar trail pattern. Snow causes distortion in the tracks and can make them appear larger. These sets of tracks will often be in a straight line. | |
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Squirrel track pattern in snow. These are not Douglas' squirrel tracks. Thanks to Laurie Lee for the use of her photos! |
Personal Notes on
Douglas’ Squirrels
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Douglas' squirrels seem to be very vocal animals. Whenever I startle one on a trail, it will run up a tree and sit there scolding me! I can always tell where other hikers are in the forest by listening for the squirrel's scolding calls! |
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Got a squirrel story? E-mail me and tell me about it. You
are visitor number: Copyright © 1997, 2018. Text, drawings, and photos by Kim A. Cabrera |
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Copyright © 1999, 2018. Kim A. Cabrera - Desert Moon Design
Updated: June 12, 2018.