Big crested mastiff bat
The big crested mastiff bat, is a bat species from South and Central America.Taxonomy
It was described as a new species in 1915 by British zoologist Oldfield Thomas.
The holotype had been collected by George F. Gaumer, and was presented to Thomas via Osbert Salvin.Description
It can be differentiated from the other species of Promops, the brown mastiff bat, by its longer forearm.
The brown mastiff bat has a forearm length less than, while the big crested mastiff bat has one greater than.
It has a dental formula of for a total of 30 teeth.It is a social animal, roosting in small colonies of up to 6 individuals during the day.
These roosts consist of the space underneath tree bark, the undersides of palm leaves, or tree hollows.
It navigates and detects prey using echolocation.
Its search calls have an average duration of 20.6 ms, with a starting frequency of 23.0 kHz, an ending frequency of 25.6 kHz, and a peak frequency of 24.7 kHz.Range and habitat
The big crested mastiff bat is found in Central and South America.
It is found in the following countries: Argentina, Belize, Bolivia, Brazil, Colombia, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Paraguay, Peru, Suriname, Trinidad and Tobago, and Venezuela.
It is found at a range of elevations, from sea level to above sea level.
