publication . Article . 2009

Roost making in bats – adaptations for excavating active termite nests

Dechmann, Dina K. N.; Santana, Sharlene E.; Dumont, Elizabeth R.;
Open Access
  • Published: 15 Dec 2009 Journal: Journal of Mammalogy, volume 90, pages 1,461-1,468 (issn: 0022-2372, eissn: 1545-1542, Copyright policy)
  • Publisher: Oxford University Press (OUP)
  • Country: Germany
Abstract
The breadth of an animals' ecological niche is circumscribed by its morphology, performance, and behavior, 3 factors that can ultimately affect fitness. We investigated potential behavioral and performance adaptations to roost making, a life-history trait associated with high fitness in the insectivorous bat Lophostoma silvicolum. Males of this species use their teeth to excavate roosts in active termite nests, which we found to be much harder than the hardest prey in the bats' diet (beetles). We compared roost making and feeding behavior in L. silvicolum. We also compared the feeding behavior of L. silvicolum to that of 2 similar species that do not excavate ro...
Subjects
Medical Subject Headings: stomatognathic system
free text keywords: bite force, fitness, Lophostoma silvicolum, natural selection, sex dimorphism, Ecology, Animal Science and Zoology, Genetics, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Biology, Nest, Ecological niche, Canine tooth, medicine.anatomical_structure, medicine, Biting, Predation, Lophostoma, biology.organism_classification, Insectivore, Tooth wear, ddc:570
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