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Ecosistemas y recursos agropecuarios

On-line version ISSN 2007-901XPrint version ISSN 2007-9028


PECH-CANCHE, Juan Manuel et al. Lunar phobia in phyllostomid bats at La Ceiba, Tuxpan, Veracruz. Ecosistemas y recur. agropecuarios [online]. 2018, vol.5, n.13, pp.165-170. ISSN 2007-901X.

The term lunar phobia is used to explain the behavior that some nocturnal animals have to avoid periods with greater moonlight intensity. The aim was to determine the effect of the brightness of the new moon and the full moon on the richness, abundance and diversity of the phyllostomid bat community at the La Ceiba estate, Tuxpan, Veracruz, where the study was conducted from October 2013 to February 2014 using five mist nets for two nights per month. We captured 142 bats belonging to eight species, with Artibeus lituratus being the species with the highest records in both lunar phases (74 individuals). Although no significant differences were found in diversity between the two lunar phases, greater cumulative species richness and abundance were recorded in the new moon (eight species, 118 individuals) than the full moon (five species, 24 individuals). The significant decrease in abundance between the new moon and the full moon, mainly of small frugivorous species, indicates that lunar luminosity affects bat activity. It also has an effect on total species richness as three species were exclusively recorded in the new moon phase.

Keywords : Abundance; Chiroptera; diversity; moon phases; species richness.

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