WebMany northern birds migrate to winter within the breeding range in central and western Mexico, though some remain further north. Remarkably, the Common Poorwill is the only bird known to go into torpor for extended periods . This happens on the southern edge of its range in the United States, where it spends much of the winter inactive, concealed in piles … Webtorpor definition: 1. the state of not being active and having no energy or enthusiasm 2. the state of reduced…. Learn more.
What is hibernation, and which animals do it? - Discover Wildlife
WebCOMMON POORWILL. Phalaenoptilus nuttalli. The Common Poorwill, named for its distinctive poor-will call, is the smallest nightjar occurring in North America. This bird is … WebCommon Poorwills don’t sing much when the mercury drops. But they can do something else that is remarkable. As the winter cold deepens, these petite members of the nightjar … ear wicking near me
Common Poorwill - All About Birds
WebBrigham, R. M. 1992. Daily torpor in a free-ranging goatsucker, the Common Poorwill (Phalaenoptilus nuttallii). Physiol Zool. 65:457–472. Google Scholar Bucher, T. L. and M. A. Chappell. 1992. Ventilatory and metabolic dynamics during entry into and arousal from torpor in Selasphorus hummingbirds. Physiol Zool. 65:978–993. WebCommon Poorwill Behavior. The most unique feature of Common Poorwills is their ability to go into torpor for extended periods of time. Their ability to be in long periods of torpor is … The common poorwill is the only bird known to go into torpor for extended periods (weeks to months). This happens on the southern edge of its range in the United States, where it spends much of the winter inactive, concealed in piles of rocks. This behavior has been reported in California and New Mexico. Such … See more The common poorwill (Phalaenoptilus nuttallii) is a nocturnal bird of the family Caprimulgidae, the nightjars. It is found from British Columbia and southeastern Alberta, through the western United States to northern Mexico. … See more The common poorwill was illustrated and formally described in 1844 by the ornithologist John James Audubon from a male specimen collected on the eastern bank of the Missouri River between Fort Pierre and mouth of the Cheyenne River in South Dakota. … See more This is the smallest North American nightjar, about 18 centimetres (7.1 in) in length, with a wingspan of approximately 30 centimetres (12 in). It weighs 36–58 grams (1.3–2.0 oz). … See more • Xeno-canto: audio recordings of the common poorwill • USGS • All About Birds – Cornell University • Arizona State University • Jaeger's discovery – several articles discuss history of observations of hibernation in the Poorwill See more ctssm