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Eastern Red Bat

Lasiurus borealis

Photo by keithp2012
Published on Project Noah
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40.6993, -73.3486

Field Notes

Description:

A medium-sized, distinctly reddish bat with ears short, broad, rounded, and partly furred; membrane between hind legs densely furred above. Upperparts reddish, the tips of the hairs white, producing a frosted appearance; males usually lack the white-tipped hairs and are much redder. External measurements average: total length, 108 mm; tail, 48 mm; foot, 9 mm; ear, 12 mm; forearm, 40 mm. Weight, 10-15 g. They appear on the wing early in the evening and forage close to the ground under the canopy of an orchard or a shaded grove. They typically follow a specific territory while feeding and generally forage near the forest canopy at or above treetop level. They often hunt around streetlamps in towns and occasionally alight to capture insects. Twilight-flying insects such as moths, scarab beetles, planthoppers, flying ants, leafhoppers, ground beetles, and assassin beetles are among their favorite prey items. The breeding range in western United States appears to coincide with the bats known distribution. Young bats are born in localities as far south as southern Texas and as far north as southern Canada. The young, two to four in number — usually three — are born in May, June, or July. This is one of the few bats that has more than two teats (four). The young ones remain with their mother for some time after they have learned to fly and the family group roosts together.

Habitat:

Eastern red bats are forest dwelling, solitary bats and are one of the few North American species that roost in the open in trees. They do not use sites such as caves, mine tunnels, or similar sites often frequented by other species. Roosting sites are common in tree foliage or Spanish moss where the bats are concealed as they resemble dead leaves.

Notes:

This bat was sleeping very close to ground level I almost touched it by mistake thinking it was a leaf.

Species ID Suggestions

Eastern Red Bat

Lasiurus borealis

Comments (5)

Please consider adding this spotting to the new North American Bat Tracker mission at http://www.projectnoah.org/missions/18306114
Thank You for your help, i'll make a new spotting for the other bats and keep this for the Eastern Red Bat.
I agree about the difficulty in getting pictures of these guys! The one roosting in the tree is an eastern red bat, they are well known foliage roosters. The flying ones are a different species, possibly big brown bats (Eptesicus fuscus).
Its very hard to get an up close photo they never land near the ground.
Great efforts for catching this mammal.

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