Squirrels are energetic, playful creatures that spend most of their time sleeping. In fact, a squirrel can sleep up to 60% of its day, which equates to almost 15 hours. Despite being diurnal, or active during the day, squirrels may nap during the day and sleep at night. However, this pattern can vary depending on the species and environmental factors. For example, tree squirrels may sleep in nests or dreys that they build in trees, while ground squirrels may hibernate during the winter months, sleeping for longer periods.
Characteristics | Values |
---|---|
Sleep pattern | Squirrels are diurnal, sleeping at night and being active during the day. |
Sleep pattern | Squirrels are crepuscular, only active at dusk and dawn. |
Sleep pattern | Some squirrels sleep during the day to conserve energy, this is known as hibernation or estivation. |
Sleep pattern | Squirrels have periods of rest throughout the day and night. |
Sleep pattern | Squirrels sleep for up to 60% of their day, which is almost 15 hours. |
Sleep pattern | Ground squirrels may sleep for longer during the winter months. |
Sleep pattern | Squirrels don't hibernate but they do have periods of rest. |
Sleep location | Tree squirrels and flying squirrels sleep in nests or dens in trees. |
Sleep location | Ground squirrels sleep in dens in the ground. |
What You'll Learn
Squirrels are crepuscular/diurnal
Squirrels are crepuscular, meaning they are only active at dawn and dusk. They spend up to 60% of their day sleeping, which equates to around 15 hours. During the day, squirrels are busy building nests, dens, and foraging for food. As the sun sets, they return to their nests to care for their young and sleep.
Squirrels are also diurnal, meaning they are active during the day and sleep at night. They are most commonly seen during the daytime, running around and collecting nuts, seeds, acorns, and pinecones. As they are potential prey for nocturnal animals, they tend to avoid predators by staying in their nests at night.
Different species of squirrels have different sleeping patterns. Tree squirrels may sleep in nests or "dreys" that they build in trees, usually sleeping at night but also taking naps during the day. Ground squirrels, on the other hand, may hibernate during the winter months, sleeping for longer periods of time. They dig underground burrows to protect themselves from harsh weather and potential predators.
The sleeping patterns of squirrels can also vary depending on the environment and the season. For example, during the summer, squirrels may remain out of their nests all day to enjoy the sun. Conversely, in colder months, they may seek warmer places to sleep, such as attics or spaces between walls in human homes.
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Ground squirrels hibernate
Squirrels are crepuscular, meaning they are usually only active at dusk and dawn, although some species, especially tree squirrels, enjoy the sun and may stay out of their nests all day during the summer. Squirrels are also known to nap during the day.
Ground squirrels, in particular, spend most of their time on the ground and sleep in ground-level burrows. In colder climates, such as the northern states of America, ground squirrels hibernate during winter. They enter a state of prolonged sleep, lasting up to five months, to conserve energy and survive the harsh winter months.
During hibernation, ground squirrels lower their body temperatures and metabolic rates, entering a series of stages of torpor and arousal, with each stage at a successively lower body temperature. Their body temperature drops to just a few degrees warmer than the outside temperature. They may be awake for 12 to 20 hours each week, foraging for food or gnawing on nearby objects.
Arctic ground squirrels, for example, hibernate for about eight months of the year. They choose hibernacula with vegetation coverage, allowing for a higher accumulation of snow and warmer soil temperatures. Female arctic ground squirrels enter hibernation first, in August, followed by males in September. During hibernation, their metabolic rate and body temperatures drop drastically for up to three weeks at a time.
Ground squirrels in hot climates, such as deserts, do not hibernate but estivate during the summer. They sleep in underground burrows to shield themselves from the hot sun above ground.
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Tree squirrels don't hibernate
Squirrels are crepuscular, meaning they are active at dusk and dawn. However, tree squirrels, such as the grey squirrel and red squirrel, are active during the day all year round. While they are not nocturnal, they do sleep during the night.
Tree squirrels do not hibernate. Instead, they rely on a steady supply of food from their underground stores. They also build nests, or "dreys", to keep themselves warm and dry during the winter. These nests are made from twigs, leaves, and moss, and are usually built in tall trees or attics. Squirrels may have multiple nests to evade predators and bad weather.
To survive the winter, squirrels will also build up fat reserves on their bodies. This helps them stay warm when temperatures drop and provides energy when food is scarce.
Squirrels are also intelligent when it comes to storing their food for the winter. They practice something called "scatter hoarding", where they spread their food out around their nests instead of keeping it all in one place. They also pretend to bury food in certain places, only to actually bury it elsewhere, in order to throw off competitors.
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Squirrels sleep in nests or dens
Squirrels are diurnal, meaning they are active during the day and sleep at night. They spend up to 60% of their day asleep, which equates to almost 15 hours. Squirrels sleep in nests or dens, depending on the type of squirrel.
Tree squirrels and flying squirrels live in dens or drays, which are nests built from twigs, branches, leaves, and moss. Dens are created in the side of a tree, often in an abandoned woodpecker hole or a natural cavity. Drays are built in the branches of trees and are used during the summer months, or in winter if there is a shortage of dens.
Ground squirrels sleep in underground dens, which are burrowed into the ground or dug out beneath rocks or logs. These dens are created by digging holes and creating a system of tunnels.
All squirrels nest within something, whether that be in the ground or in a tree. The type of nest depends on the species of squirrel, the location, and the season. Squirrels may also have multiple nests, which can act as safe houses if they are being tracked by predators or caught in bad weather.
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Squirrels sleep up to 60% of the day
Squirrels are crepuscular, which means they are only active at dusk and dawn. They are also diurnal, meaning they are active during the day and sleep at night. During the day, squirrels are busy building their nests, dens and increasing their food supplies. They collect nuts, seeds, acorns and pinecones. As soon as the sun sets, they return to their nests to care for their young and sleep.
Different types of squirrels in specific seasons and areas of the world may sleep during the day to conserve energy. This is known as hibernation or estivation. Hibernation is when a squirrel's body temperature decreases to a few degrees warmer than the outside temperature, and its heart rate slows down. A hibernating squirrel may only wake for 12 to 20 hours each week. Estivation, on the other hand, is when a squirrel hunkers down during the hotter months of the year to survive droughts, high temperatures and overheating.
Ground squirrels may enter a state of torpor during the winter months and sleep for longer periods of time. They do not hibernate like some animals, but they do have periods of rest throughout the day and night. They typically sleep at night and are active during the day, but they may take short naps during the daytime as well.
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Frequently asked questions
Squirrels are diurnal, meaning they are active during the day and sleep at night. However, they do take naps during the day and may sleep during the day to conserve energy.
Squirrels sleep in nests or dens in trees, in burrows in the ground, or in attics and walls in human homes.
Squirrels spend up to 60% of their day asleep, which equates to almost 15 hours per day.