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Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
Aestivation has been put forward as the most likely explanation why this therapsid cynodont Thrinaxodon liorhinus shared its burrow with a temnospondyl amphibian, Broomistega putterilli. [ 11 ] Non-mammalian animals that aestivate include North American desert tortoises , crocodiles , and salamanders .
The common snapping turtle, as its name implies, is the most widespread. [4] 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 ...
About 50% of female sea turtles complete "false crawls," which occur when they crawl onto the beach but return to the water without laying eggs.
A set of triplets who refuse to sleep are cracking each other up — and TikTok is laughing along. “They feed off each other so when one is laughing, so are the others,” Julia Platsman, a ...
This turtle can survive in freshwater as well as full-strength ocean water, but adults prefer intermediate salinities. Despite its preference for salt water, it is not a true sea turtle and is not fully marine. They have no competition from other turtles, although common snapping turtles do occasionally make use of salty marshes. [24]
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Emydura macquarii (common names include Murray River turtle, [7] Macquarie River turtle, [8] eastern short-necked turtle, eastern short-neck turtle and southern river turtle) [9] is a species of turtle in the family Chelidae. It is a wide-ranging species that occurs throughout many of the rivers of the eastern half of Australia.