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Aestivation (Latin: aestas (summer); also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter. Aestivation is characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. [ 1 ]
Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It is most commonly used to pass through winter months – called overwintering.
Hibernation is a handy biological tool. If you can’t snowbird somewhere warmer in the winter, it’s best just to hunker down, conserve energy, and wait for the spring when resources are more ...
During summer or droughts, caimans may dig a burrow and go into a form of summer hibernation called aestivation. Female caimans build a large nest in which to lay their eggs. The nests can be more than 1.5 m (4.9 ft) wide. Female caimans lay between 10 and 50 eggs, which hatch within about six weeks.
The wild footage shows several gators in the slushy, icy river with only their nostrils sticking out.
It goes into effect July 1, leaving workers with little to no protections ahead of what the National Weather Service predicts will be a warmer-than-usual summer for Florida and much of the rest of ...
Re-narrated Horizon episode, first aired in the UK in 1972. [4]We give you a behind-the-scenes look at the making of a nature film. Oxford Scientific Films Unit shows how it tackles such problems as filming a wood wasp laying its eggs inside trees, the hatching of a chick and the courtship rituals of the stickleback.
Humans still don’t need to hibernate, Weiss said, nor can we afford to due to our social and occupational obligations. “But we can make adjustments to perform in a better way, to rest in a ...