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Reproductive Patterns of Bats from Caatingas and Cerrado Biomes in Northeast Brazil

Reproductive Patterns of Bats from Caatingas and Cerrado Biomes in Northeast Brazil Abstract Current ecological hypotheses suggest that annual reproductive patterns in tropical bats are related to rainfall such that individuals avoid weaning their young during the most stressful season of the year. The reproductive status of bats within well delineated populations from Caatingas and Cerrado biomes of Northeast Brazil were monitored over a 20-month period; seven species were captured in sufficient numbers to determine annual reproductive patterns with confidence. Noctilio leporinus exhibited seasonal monestry. Glossophaga soricina, Carollia perspicillata, Vampyrops lineatus, Artibeus jamaicensis, and A. lituratus exhibited seasonal bimodal polyestry. Desmodus rotundus exhibited asynchronous polyestry. Major differences were not detected between Caatingas and Cerrado populations of any species, even though the predictability and total amount of precipitation was different in the two biomes. Most species (N. leporinus, V. lineatus, A. jamaicensis, A. lituratus, C. perspicillata) wean their young primarily during the wet season, whereas G. soricina weans its first litter during the dry season and its second litter during the wet season. This content is only available as a PDF. Author notes Present address: Department of Biological Sciences and The Museum, Texas Tech University, Lubbock, TX 79409 © 1985 The American Society of Mammalogists http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Mammalogy Oxford University Press

Reproductive Patterns of Bats from Caatingas and Cerrado Biomes in Northeast Brazil

Willig, Michael, R.
Journal of Mammalogy , Volume 66 (4) – Nov 29, 1985
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References (21)

Publisher
Oxford University Press
Copyright
© 1985 The American Society of Mammalogists
ISSN
0022-2372
eISSN
1545-1542
DOI
10.2307/1380793
Publisher site
See Article on Publisher Site

Abstract

Abstract Current ecological hypotheses suggest that annual reproductive patterns in tropical bats are related to rainfall such that individuals avoid weaning their young during the most stressful season of the year. The reproductive status of bats within well delineated populations from Caatingas and Cerrado biomes of Northeast Brazil were monitored over a 20-month period; seven species were captured in sufficient numbers to determine annual reproductive patterns with confidence. Noctilio leporinus exhibited seasonal monestry. Glossophaga soricina, Carollia perspicillata, Vampyrops lineatus, Artibeus jamaicensis, and A. lituratus exhibited seasonal bimodal polyestry. Desmodus rotundus exhibited asynchronous polyestry. Major differences were not detected between Caatingas and Cerrado populations of any species, even though the predictability and total amount of precipitation was different in the two biomes. Most species (N. leporinus, V. lineatus, A. jamaicensis, A. lituratus, C. perspicillata) wean their young primarily during the wet season, whereas G. soricina weans its first litter during the dry season and its second litter during the wet season. This content is only available as a PDF. Author notes Present address: Department of Biological Sciences and The Museum, Texas Tech University, Lubbock, TX 79409 © 1985 The American Society of Mammalogists

Journal

Journal of Mammalogy – Oxford University Press

Published: Nov 29, 1985

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