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A hibernaculum (plural form: hibernacula) (Latin, "tent for winter quarters") is a place in which an animal seeks refuge, such as a bear using a cave to overwinter.The word can be used to describe a variety of shelters used by many kinds of animals, including insects, toads, lizards, snakes, bats, rodents, and primates of various species.
Hibernation functions to conserve energy when sufficient food is not available. To achieve this energy saving, an endothermic animal decreases its metabolic rate and thereby its body temperature. [3] Hibernation may last days, weeks, or months—depending on the species, ambient temperature, time of year, and the individual's body-condition.
Northern map turtles spend the winter under water and do not surface to breathe, especially when ice cover makes this impossible. Adults rest on the bottom or wedged underneath rocks or logs and often hibernate communally with other northern map turtles where they may remain somewhat active throughout the entirety of the winter. [9]
Opportunities for gopher tortoises to drink water vary greatly between the species in the genus. Gopherus agassizii live in extremely arid areas that can receive as little as 10–20 cm. per year. Gopherus polyphemus live in mesic habitat, where water is availability and evaporative loss is less problematic. Other species live in intermediate ...
During colder weather, the wood turtle stays in the water for a larger percentage of the time. [20] For this reason, during the winter months (and the late fall and early spring) it is considered an aquatic turtle. [4] November through February or March is spent in hibernation at the bottom of a small, flowing river.
The common snapping turtle is noted for its combative disposition when out of the water with its powerful beak-like jaws, and highly mobile head and neck (hence the specific epithet serpentina, meaning "snake-like"). In water, it is likely to flee and hide underwater in sediment.
Basking turtles sometimes look like they are crying because behind the turtles eye is the lachrymal gland which stores excess salt from the sea water, which then expels through the turtles eye. In the winter months, turtles living at higher latitudes can hibernate for a short period in the mud. [87]
The name originally was used by early European settlers in North America to describe these brackish-water turtles that inhabited neither freshwater habitats nor the sea. It retains this primary meaning in American English. [8] In British English, however, other semi-aquatic turtle species, such as the red-eared slider, might also be called ...