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Temperature-sensing probes implanted in wild American alligators have found their core body temperatures can fall to around 5 °C (41 °F), but as long as they remain able to breathe, they show no ill effects when the weather warms. [109]
For a better understanding, “cold-blooded actually means the animal’s body temperature is basically the same as its surroundings,” according to Texas Parks & Wildlife. “A fish swimming in ...
In temperate regions of the northern hemisphere where cold temperatures are expected seasonally and are usually for long periods of time, the main strategy is freeze avoidance. In temperate regions of the southern hemisphere, where seasonal cold temperatures are not as extreme or long lasting, freeze tolerance is more common. [ 2 ]
American alligators do not normally reach such extreme sizes. In mature males, most specimens grow up to about 3.4 m (11 ft 2 in) in length, and weigh up to 360 kg (790 lb), [ 7 ] while in females, the mature size is normally around 2.6 m (8 ft 6 in), with a body weight up to 91 kg (201 lb).
Alligators commonly live up to 50 years, but there have been examples of alligators living over 70. [14] One of the oldest recorded alligator lives was that of Saturn , an American alligator who was hatched in 1936 in Mississippi and spent nearly a decade in Germany before spending the majority of his life at the Moscow Zoo , where he died at ...
Real-time magnetic resonance imaging of the human thorax during breathing X-ray video of a female American alligator while breathing. Breathing (spiration [1] or ventilation) is the rhythmical process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly to flush out carbon dioxide and bring in oxygen.
On average, the temperature of incubation is 25–26 °C (77–79 °F), including the day and night. [36] This temperature controls whether a young alligator will be male or female (temperature-dependent sex determination), [32] a feature present in many other reptiles. A higher incubation temperature also increases the hatching rate. [36]
Alaska holds the all-time U.S. record. The mercury plummeted to 80 degrees below zero on Jan. 23, 1971, in Prospect Creek, north of Fairbanks.