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Species Description

Eastern Pipistrelle

Pipistrellus subflavus


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Classification

Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Order: Chiroptera
Family: Vespertilionidae

Description

The overall appearance is generally a yellowish brown color, the belly being a lighter shade. The fur is actually tricolored. Each hair has a dark brown base, a lighter middle, and a dark tip. One of the smallest bats in North America, with a total length ranging from 7.1 - 9.5 cm (2.8 - 3.74 in). Note the tragus, a projection that arises from the base of the inside of the external ear and is used for echolocation. In the Pipistrelle bats it is blunt, not long and pointed.

Life Cycle

Like many other species of North American bats, The Eastern Pipistrelle breeds in the fall, and 1 - 2 young are born the following late May or early June. For the first few days after their birth, the young are carried by the female as she forages. They are capable of flight in about three weeks after birth and are soon capable of foraging on their own.

Natural History

The Eastern Pipistrelle hibernates in the northern parts of its range, but remains active throughout the year in the South. It roosts in caves, rock crevices, old mines, hollow trees, buildings, or clumps of Spanish Moss. It forages for flying insects in an erratic, fluttering flight along forest edges, over forest canopy, or over bodies of water. The Eastern Pipistrelle roosts singly during the warm months, but may congregate by the hundreds in winter hibernacula. Males may live 15 years, but females seldom reach 10 years of age.

Range

Eastern Pipistrelle Region Map This species ranges from the New England states west to Minnesota, then south to Texas and east to central Florida. The Eastern Pipistrelle can be found in all parts of Georgia.

Conservation Status

The Eastern Pipstrelle is one of the most common species of bats in the mountains and Piedmont region of Georgia, and it is locally abundant on the Coastal Plain.

Similar Species

Its small size and blunt tragus distinguish the Eastern Pipistrelle from other bats. All species of the genus Myotis have a pointed tragus, and all other species are larger.