8 Animals That Hibernate In Summer

In the animal kingdom, hibernation is often associated with winter, but some species have evolved to embrace a summer hibernation-like state.

The Fat-Tailed Dwarf Lemur

Fat-tailed Dwarf Lemur - Duke Lemur Center

Among the extraordinary creatures that practice summer hibernation is the Fat-Tailed Dwarf Lemur (Cheirogaleus medius). Found in Madagascar, these tiny primates seek refuge from the scorching heat by entering a state of torpor.

The European Hedgehog

European hedgehog - Wikipedia

Surprisingly, the European Hedgehog (Erinaceus europaeus) also resorts to aestivation during the hottest months. These spiky mammals can decrease their metabolic rate to endure high temperatures.

The Australian Water-Holding Frog

Western Water-holding Frog | Western Australian Museum

Australia’s wildlife offers the fascinating example of the Australian Water-Holding Frog (Cyclorana platycephala). When temperatures rise, these amphibians burrow underground and cocoon themselves in a mucus membrane, preserving moisture.

The Ground Squirrel

Ground squirrel - Wikipedia

Not all squirrels hibernate in winter; the Ground Squirrel (Xerinae) employs a summer hibernation strategy. These critters delve into a state of dormancy, staying underground during the hottest months.

The Desert Tortoise

Desert tortoise - Wikipedia

Surviving in arid climates, the Desert Tortoise (Gopherus agassizii) navigates the intense summer heat by retreating to burrows or rock crevices, reducing activity to conserve energy.

The Common Poorwill

Common poorwill - Wikipedia

A unique bird species, the Common Poorwill (Phalaenoptilus nuttallii), native to North America, enters a state of torpor during hot spells, slowing down its bodily functions.

The North American Black Bear

Black bear | Size, Weight, Habitat, Diet, & Facts | Britannica

While not a full hibernation, North American Black Bears (Ursus americanus) tend to become less active in summer months, opting for more shade and conserving energy.

The Crocodile

Crocodile | Habitat, Description, Teeth, & Facts | Britannica

Crocodiles, known for their resilience, can exhibit prolonged periods of dormancy or inactivity during the summer in response to extremely high temperatures.

The Adaptive Strategies of Summer Hibernation

These unique adaptations enable these animals to survive the harsh summer conditions in various regions across the globe.

From Madagascar to North America, diverse species have developed remarkable survival tactics to endure the scorching heat.


Summer hibernation or aestivation showcases nature’s incredible adaptability, demonstrating how different species cope with extreme weather conditions.

Michael Flores, a M.Sc. Part 2 student with 3 years of content writing experience, is a specialist in Health (Weight Loss, Fat Burn Food etc.), Astrology and pets topics. With a deep love for animals, Flores also provides informative content on pet care, behavior, and the bond between humans and their furry companions. Know the enchanting worlds of zodiac signs and pets through Michael Flores's engaging writing.

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