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Red-eared slider turtles are threatening to invade the natural water bodies across northeast India, which are home to 21 out of 29 vulnerable native Indian species of freshwater turtle. [58] Between August 2018 and June 2019, a team of herpetologists from the NGO "Help Earth" found red-eared sliders in the Deepor Beel wildlife sanctuary and ...
Searching for water, food, or mates, the painted turtles travel up to several kilometers at a time. [164] During summer, in response to heat and water-clogging vegetation, the turtles may vacate shallow marshes for more permanent waters. [164] Short overland migrations may involve hundreds of turtles together. [100]
Many turtles hibernate from March to November, entering a period of dormancy called brumation. Less daylight hours and colder nighttime temperatures trigger this cycle, but it is a little more ...
Spiny softshell turtles are more dependent on underwater respiration than other freshwater species. This has led to their low tolerance of hypoxic waters; this becomes especially important during times of hibernation, when these turtles must choose hibernacula that are unlikely to become hypoxic. Underwater dormancy can last up to six months. [24]
In water, it is likely to flee and hide underwater in sediment. The common snapping turtle has a life-history strategy characterized by high and variable mortality of embryos and hatchlings, delayed sexual maturity, extended adult longevity, and iteroparity (repeated reproductive events) with low reproductive success per reproductive event. [5]
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]
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 turtle uses mainly burrowing and moving from water hole to water hole to avoid desiccation. The femoral flaps that cover the retracted legs help the turtle survive dry conditions. During a time of drought, the turtles enter a time of estivation in an attempt to survive the dry conditions. [15]