Free-ranging Van Gelder's bat Bauerus dubiaquercus (Chiroptera: Vespertilionidae) preying on dung beetles in southern Mexico

Pedro A. Aguilar-Rodríguez, Aline Méndez-Rodríguez, Sandra M. Ospina-Garcés, M. Cristina Macswiney G., Yossi Yovel

Research output: Contribution to journalArticlepeer-review

Abstract

We report the first prey species consumed by the free-ranging Van Gelder's bat Bauerus dubiaquercus. We trapped four pregnant individuals of this species carrying freshly captured dung beetles. We describe the wing morphology and flight descriptors (wing loading and wing aspect ratio) of the species, which presents wings more suitable for capturing insects by aerial hawking, although the evidence suggests that is able to capture dung beetles of nearly 10% of its body mass in flight close to the ground. The species could obtain their prey while foraging on uncluttered pasture near forest edges.

Original languageEnglish
Pages (from-to)252-256
Number of pages5
JournalMammalia
Volume86
Issue number3
DOIs
StatePublished - 1 May 2022

Keywords

  • Antrozoini
  • feeding ecology
  • insectivorous bat
  • montane cloud forest
  • wing loading

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