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Volume 80, Issue 3


Opportunistic feeding by the little yellow-shouldered bat Sturnira lilium (Phyllostomidae, Stenodermatinae) in northern Guatemala: a comparative approach

Cristian Kraker-Castañeda
  • Corresponding author
  • Departamento de Conservación de la Biodiversidad, El Colegio de la Frontera Sur (ECOSUR), Carretera Panamericana y Periférico Sur s/n, Barrio María Auxiliadora, San Cristóbal de Las Casas, Chiapas, México 29290
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/ José Octavio Cajas-Castillo
  • Universidad de San Carlos de Guatemala (USCG), Ciudad Universitaria, Zona 12, Edificio T-10, 2do. Nivel, Guatemala 01012
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  • De Gruyter OnlineGoogle Scholar
/ Salvador Lou
  • Universidad de San Carlos de Guatemala (USCG), Ciudad Universitaria, Zona 12, Edificio T-10, 2do. Nivel, Guatemala 01012
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Published Online: 2015-03-11 | DOI: https://doi.org/10.1515/mammalia-2014-0139


During simultaneous surveys in northern Guatemala, we studied the feeding habits of frugivorous bats. We found that Sturnira lilium, a bat specialized in Solanum, was quite abundant. Despite this bat’s fruit preference, we observed a geographical diet shift at the genus level towards Piper, which we assert as evidence of opportunistic feeding. For S. lilium, frequently consumed food items such as Solanum umbellatum and Piper aduncum are associated with early vegetation succession, whereas other small-sized sympatric species of the genus Carollia feed mainly on P. aeruginosibaccum and Vismia camparaguey, typical elements of more mature stages. Resource partitioning is an important mechanism for species coexistence and community structuring.

Keywords: bats; coexistence; frugivory; lowlands; Neotropical


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About the article

Received: 2014-09-22

Accepted: 2015-02-13

Published Online: 2015-03-11

Published in Print: 2016-05-01

Citation Information: Mammalia, Volume 80, Issue 3, Pages 349–352, ISSN (Online) 1864-1547, ISSN (Print) 0025-1461, DOI: https://doi.org/10.1515/mammalia-2014-0139.

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