Hoary bat

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Hoary bat
File:Hoary bat adult.JPG
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Mammalia
Order:
Chiroptera
Family:
Vespertilionidae
Genus:
Lasiurus
Species:
L. cinereus
Binomial name
Lasiurus cinereus
(Beauvois, 1796)
File:Distribution of Lasiurus cinereus.png
Distribution of the hoary bat (2008)

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The hoary bat (Lasiurus cinereus) is a species of bat in the vesper bat family, Vespertilionidae. It occurs throughout most of North America and much of South America, with disjunct populations in the Galápagos Islands and Hawaii.

The hoary bat averages 13 to 14.5 cm (5 to 5.7 in) long with a 40 cm (15.7 in) wingspan and a weight of 26 g (0.9 oz). It is the largest bat normally found in Canada. Its coat is dense and dark brown, with white tips to the hairs that give the species its 'hoary' appearance for which it is named.[2] The body is covered in fur except for the undersides of the wings. The bats can cover an impressive 39 kilometers while foraging. [2]

File:Hoary bat dorsal coloration.JPG
Juvenile male hoary bat on a tree, frosted 'hoary' dorsal coloration visible
File:Hoary Bat.JPG
Hoary bat examined by a scientist. The inner forearm was marked with black sharpie to provide re-capture data. The furred uropatagium, namesake of the genus (Lasiurus), is visible in photo

The bat normally roosts alone on trees, hidden in the foliage, but on occasion has been seen in caves with other bats. It prefers woodland, mainly coniferous forests, but hunts over open areas or lakes. It hunts alone and its main food source is moths.

The reproductive cycle of the hoary bat is not yet fully documented, but it is thought that they mate in August with birth occurring in June of the following year. It is thought that the gestation period is only 4 days and that mammalian embryonic diapause (delayed implantation) may play a role. The female bears a single pup, or sometimes twins. The young spend about a month with the mother before dispersing.

The bat is migratory and may travel from Canada as far south as the southern United States or Bermuda. It occasionally roosts inside shipping crates and this may account for reports of the species above the Arctic Circle.

See also

References

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External links

Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons Data related to Lasiurus cinereus at Wikispecies

  1. ↑ Gonzalez, E., et al. 2008. Lasiurus cinereus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. Downloaded on 18 November 2013.
  2. ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
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