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11 February 2020 Reproductive Notes on Bats from the Genus Lasiurus in Louisiana
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Little is known about the reproductive habits of the 4 species of bat in the genus Lasiurus that live in Louisiana. We examined reproductive notes from specimen records for the eastern red bat (L. borealis), the Seminole bat (L. seminolus), the northern yellow bat (L. intermedius), and the hoary bat (L. cinereus). We found that gestation and partuition happen between May and June for all species. Lactating and postlactating individuals and juveniles were mostly captured in late June or July. Typically, litter sizes range from 3 to 4 pups for both L. borealis and L. intermedius and from 1 to 3 pups for L. seminolus. Males for all species became scrotal in early fall between August and October, suggesting that fertilization is delayed till the spring. However, we do provide evidence that copulation may also occur in early spring for L. intermedius.

© 2020
Ethan Reeves and Justin D. Hoffman "Reproductive Notes on Bats from the Genus Lasiurus in Louisiana," Western North American Naturalist 80(1), 120-123, (11 February 2020).
Received: 3 June 2019; Accepted: 15 October 2019; Published: 11 February 2020

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