Reproductive seasonality of the Egyptian fruit bat ( Rousettus aegyptiacus ) at the northern limits of its distribution

Citation

Material Information

Title:
Reproductive seasonality of the Egyptian fruit bat ( Rousettus aegyptiacus ) at the northern limits of its distribution
Series Title:
Journal of Mammalogy
Creator:
Lučan, Radek K.
Bartonička, TomáÅ¡
Benda, Petr
Bilgin, Rasit
Jedlička, Petr
Nicolaou, Haris
Reiter, Antonín
Shohdi, Wael M.
Å álek, Martin
Řeřucha, Šimon
Uhrin, Marcel
Abi-Said, Mounir
Horáček, Ivan
Publisher:
Oxford University Press
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Chiroptera ( local )
Desert ( local )
Mediterranean ( local )
Phenology ( local )
Pteropodidae ( local )
Reproduction ( local )
Reproductive Pattern ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
We collected and analyzed data on the annual course of reproduction of the Egyptian fruit bat ( Rousettus aegyptiacus ) in 2 climatically distinct areas, the Mediterranean and the Egyptian desert, located at the northern limits of the species' distribution. In both regions, reproductive seasonality was characterized by distinct bimodality in birth timing regardless of climatic differences. A low incidence of simultaneous pregnancy and lactation indicated that both seasonal bimodal polyestry with and without postpartum estrus may occur in both regions, with a possibly lower incidence of postpartum estrus in females from the Mediterranean population. Observed shifts in birth timing between the Mediterranean and the desert study area corresponded to regional differences in fruiting phenology of major dietary plants. The male reproductive cycle was synchronized with that of females. The period of testicular recrudescence occurred during the peak pregnancy period. Because testis size was related to body mass irrespective of body size, we hypothesize that food abundance is an important trigger of male sexual activity. R. aegyptiacus is the sole species with seasonal bimodal polyestry among Palearctic bats.
Original Version:
Journal of Mammalogy, Vol. 95, no. 5 (2014-10-04).

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University of South Florida Library
Holding Location:
University of South Florida
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This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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