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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 ]
Opossums are found in North, Central, and South America. The Virginia opossum lives in regions as far north as Canada and as far south as Central America, while other types of opossums only inhabit countries south of the United States. [50] The Virginia opossum can often be found in wooded areas, though its habitat may vary widely. [51]
The Virginia opossum is most active during the spring and summer. [28] It does not hibernate but reduces its activity during the winter. [ 27 ] [ 42 ] It may not leave its den for several days if the temperature drops below −7 to −4 °C (19 to 25 °F). [ 28 ]
A white-tailed deer, the state animal of Pennsylvania, in Berwyn, Pennsylvania [1]. This list of mammals in Pennsylvania consists of 66 species currently believed to occur wild in the state.
This is a list of North American mammals. It includes all mammals currently found in the United States , St. Pierre and Miquelon , Canada , Greenland , Bermuda , Mexico , Central America , and the Caribbean region, whether resident or as migrants .
The National Zoo in Washington, D.C., recently welcomed a one-eyed opossum named Basil, who was rescued after being attacked and is now an ambassador for his species at the zoo.
The park has a good resident population of bald eagles, trumpeter swans, common loons, ospreys, American white pelicans, and sandhill cranes. The extensive rivers, lakes and wetlands are summer homes to large numbers of waterfowl, while the forests and meadows host many different species of warblers, sparrows and other passerine birds.
Winter is finally here, and bears are getting ready to find a den to hibernate in over the next few months. In Wyoming's Yellowstone National Park, one bear was caught prepping for his long sleep ...