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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 ]
They also shed their gray-brown summer topcoat, becoming all white during the winter. [ 1 ] Arctic hare - In Newfoundland and southern Labrador, the Arctic hare changes its coat color , moulting and growing new fur, from brown or grey in the summer to white in the winter, like some other Arctic animals including ermine and ptarmigan , enabling ...
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
Seasonal breeders are animal species that successfully mate only during certain times of the year. These times of year allow for the optimization of survival of young due to factors such as ambient temperature, food and water availability, and changes in the predation behaviors of other species. [1]
Choose a fun summer read and celebrate finishing it with a festive outdoor book club meeting complete with summer treats. Aurelie and Morgan David de Lossy - Getty Images Go to a Farmer’s Market
During the summer, the color becomes more mottled, as the fur goes through a moulting cycle. The fisher prefers to hunt in the full forest. The fisher prefers to hunt in the full forest. Although an agile climber, it spends most of its time on the forest floor, where it prefers to forage around fallen trees.
Two to three kittens may be born at any time of year, although most arrive in summer and fall. For reasons that are not clear, only about 50 percent of kittens survive their first year. The current population of lions in Yellowstone is estimated to be 18-24 animals and is thought to be increasing.
An Arctic fox (summer morph) with salmon. Arctic foxes generally eat any small animal they can find, including lemmings, voles, other rodents, hares, birds, eggs, fish, and carrion. They scavenge on carcasses left by larger predators such as wolves and polar bears, and in times of scarcity also eat their feces.