Ultrasonic detection of insectivorous bats in coffee crops of La Antigua Guatemala, Guatemala.
Keywords:
chirptera, anabat, coffe crops, La Antigua GuatemalaAbstract
Ultrasonic detection of insectivorous bats in coffee crops of La Antigua Guatemala, Guatemala
Abstract
Insectivorous bats were studied in three coffee crops of La Antigua Guatemala, Guatemala. Usingthe AnabatTM II detector we identified two species (Eptesicus brasiliensis, with probable occurrencein the country, and Lasiurus intermedius) and one genus (Myotis spp.) belonging to the Vespertilionidaefamily, and two species (Cynomops mexicanus, not previously registered in the country, and Molossusrufus), one genus (Eumops spp.) and one sonotipe belonging to the Molossidae family. These speciesare reported for the first time in the area by acoustic means. Complementarity is of 100% for families,genus and species when comparing the ultrasonic detection with the results obtained previously inthe area through mist nets. The richness of bat species in the coffee crops increases by 87.5%. Thespectrograms show evidence of feeding activity of Molossus, inferred by the high pulse repetitionrate in so-called feeding buzz. The two potential Eumops species are classified in the List of EndangeredSpecies of Guatemala. In order to include E. brasiliensis and C. mexicanus in the species list of thecountry, collected specimens must be deposited in scientific collections.
Key words:
Chiroptera, Anabat, coffee crops, La Antigua Guatemala
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