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Chipmunks – adorable but…

Although over 200 kinds of squirrels can be found across the globe. Of these, 25 are chipmunks, and all but one of the chipmunks live in North America.

The Siberian Chipmunk can only be found in Asia. In Ontario, we have several kinds of squirrels. These are the Eastern Gray, Red, Eastern & Northern Flying, Least Chipmunk (in north western Ontario), Eastern Chipmunk, Franklin’s Ground Squirrel (also in northwest Ontario), Eastern Fox (very rare) and surprisingly the Groundhog, which is also a squirrel but looks very different. Around here, we can enjoy six of the nine species of squirrel. As we know, all of the local ones are quite habituated to humans, and some frequently share our space and sometimes, unfortunately, even our homes!

The one squirrel which seems to capture our hearts the most is the Eastern Chipmunk; who doesn’t love a chipmunk? They are adorable, endearing, seemingly trusting and oh so cute. I don’t think anyone ever goes, “Oh, look at that ugly creature!” when they see a Chippie. But show someone an opossum, rat or skunk, and the reaction is very different. So maybe it’s time to delve a bit into the chipmunk’s life.

Our chipmunk is a tiny creature which sports various shades of tan, gray, black and white in a diagnostic pattern which is easily recognizable.

Obviously, our rural and urban yards are perfect for them, but their natural habitat is hardwood forests with well-drained lands and small crevices, rock piles or loose earth, so they dig burrows. The burrows are vertical at first, then move laterally, so the various ‘rooms’ are protected and dry. These burrows are complex in design and can extend up to four meters in length. Along their path, they contain various chambers for food storage (usually the lowest chambers to keep food dry and cool), along with comfortable vegetation-lined sleeping quarters and even a garbage dump/washroom zone for refuse/feces disposal. The tunnels are kept very clean. Chipmunks are very adaptable and resourceful. Mine even live in the small drainage tiles we have, which funnel the rainwater away from the house. It must get pretty damp in there on occasion!

In late March or early April, they emerge from their winter hibernation. Unlike some hibernators, they actually don’t store fat in their bodies in the autumn but instead store caches of food which they periodically eat during the winter during brief periods of activity. Breeding takes place in the early spring. About a month later, two to seven young are born, naked, blind and weighing only about three or four grams. They are dependent on their parents for some time. At about day eight, they start to grow some fur, and the patterning starts to fill in on their bodies. It isn’t until about day 30 they can see and are also then able to venture out from the nest. A second brood might be raised, if the first is lost or food is plentiful.

Food consists of nuts, berries, insects, flower bulbs and tubers, bird eggs and nestlings (if they can find them) and, of course, bird seed. They are comical to watch, as they fill their face pouches with up to 60 seeds at a time, to the point where their head seems twice as large as normal.

Okay, time for some fun facts:

A group of chipmunks is called a scurry: perfect.

A single chipmunk can gather almost 175 acorns in a single day.

Chipmunks are very vocal and have different calls for different reasons. If a predator is terrestrial, such as a snake or fox, they emit a string of high-pitched chips, but if the predator is aerial, they emit lower chuck sounds. It is believed other animals like Red Squirrels, and particularly Groundhogs recognize these sounds and react accordingly.

Do their stripes help with survival? Likely yes. The same as a zebra’s stripes make them less visible to predators, a chipmunk, living in the dappled light of the forest, can easily ‘disappear’ in the shadows.

Although they can sometimes become a nuisance, they are almost always delightful and tolerable!

Geoff Carpentier is a published author, expedition guide and environmental consultant. Visit Geoff online on LinkedIn, Facebook and Instagram.

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