Difference between revisions of "Hibernation"

Latest revision as of 15:27, September 2, 2011

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-'''Hibernation''' is a behaviour of certain animals, particularly in cold climates, of entering [[dormancy]] (a prolonged physically inactive state of lowered [[metabolism|metabolic]] activity) as a means of coping with the vicissitudes of [[winter]]. While many animals will sleep more than usual during the winter, true hibernation involves dramatically reduced heartrates and body temperatures, generally over a single unbroken period of torpor.
+#REDIRECT [[Dormancy]]
-Animals that hibernate include [[bear]]s, the [[dormouse]], the [[hedgehog]], and many types of [[reptile]]s and [[amphibian]]s.
-Most [[bird]]s use [[Animal migration]] to avoid harsh seasonal conditions; the common poorwill, a type of [[nightjar]], is the only bird known to hibernate. Historically, [[swallow]]s were believed to hibernate at the bottom of ponds.
-Animals which become inactive in summer are said to [[Aestivation|aestivate]].
-[[Category:Zoology]]