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| Hairy-tailed Bats | ||||||||||||
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The genus Lasiurus contains some of the most attractive bats ( Chiroptera) in the whole continent of North America including such species as the Red bat, L. boreus and the Hoary bat, L. cinereus. They are very robust and long winged with fast and strong flight, several species flying during parts of the day especially when migrating south in Autumn. The Hoary bat and Red bat will often fly in daylight, especially when in the company of similar migratory birds.
When roosting, this group are also interesting as they hang from twigs, usually hidden by leaves in trees and do not use caves at all. The northern species such as the Red and Hoary bats have particularly thick and dense fur for extra insulation and though they migrate south in winter, the outdoor roosting sites can still be quite cool during the winter.
They are as a genus almost unique, being the only bats apart from the Parti-coloured bat, Vespertilio murinus to possess an extra pair of nipples (four in total). This allows them to suckle more than the usual one pup per season that most bats produce, with two or three being common and sometimes four produced, though more rarely.
There are thirteen species in this fascinating genus.