The family Mormoopidae contains bats known generally as mustached bats, ghost-faced bats, and naked-backed bats. They are found in the Americas from the

Southwestern United States The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural region of the United States that generally includes Arizona, New Mexico, and adjacent portions of California, Colorado, N ...

to Southeastern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. They are distinguished by the presence of a leaf-like projection from their lips, instead of the nose-leaf found in many other bat species. In some species, the wing membranes join over the animal's back, making it appear hairless. The tail projects only a short distance beyond the membrane that stretches between the hind legs. They are brownish in colour, with short, dense fur. Their

dental formula Dentition pertains to the development of teeth and their arrangement in the mouth. In particular, it is the characteristic arrangement, kind, and number of teeth in a given species at a given age. That is, the number, type, and morpho-physiolog ...

is: Mormoopid bats roost in caves and tunnels in huge colonies that may include hundreds of thousands of members, producing enough

guano Guano (Spanish from qu, wanu) is the accumulated excrement of Seabird, seabirds or bats. As a manure, guano is a highly effective fertilizer due to the high content of nitrogen, phosphate, and potassium, all key nutrients essential for plant ...

to allow commercial mining. They do not

hibernate Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It most ...

as some other bats do since they live in the

tropics The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred ...

. They feed on

insect Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs ...

s found close to, or on, bodies of water.

Classification

The family consists of two

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial ...

, containing around 13 species. FAMILY MORMOOPIDAE *Genus '' Mormoops'' Leach, 1821 **'' Mormoops blainvillii'' (Leach, 1821) – Antillean ghost-faced bat **'' Mormoops magna''† (Silva-Taboada, 1974) – giant ghost-faced bat **'' Mormoops megalophylla'' ( Peters, 1864) – ghost-faced bat *Genus ''

Pteronotus ''Pteronotus'' is a genus of bats. Eight extant species have been recognized, as well as one relatively recently extinct species. References * Gutierrez, E.E. & Molinari, J. 2008. Morphometrics and taxonomy of bats of the genus ''Pteronotus'' ...

Gray Grey (more common in British English) or gray (more common in American English) is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is "without color", because it can be composed ...

, 1838 **Subgenus ''Chilonycteris'' Gray, 1839 ***'' Pteronotus macleayii'' (Gray, 1839) – Macleay's mustached bat ***'' Pteronotus personatus'' (

Wagner Wilhelm Richard Wagner ( ; ; 22 May 181313 February 1883) was a German composer, theatre director, polemicist, and conductor who is chiefly known for his operas (or, as some of his mature works were later known, "music dramas"). Unlike most op ...

, 1843) – Wagner's mustached bat ***'' Pteronotus quadridens'' ( Gundlach, 1860) – sooty mustached bat **Subgenus ''Phyllodia'' Gray, 1843 ***'' Pteronotus paraguanensis'' (Linares & Ojasti, 1974) – Paraguana moustached bat ***'' Pteronotus parnellii'' (Gray, 1843) – Parnell's mustached bat ***''

Pteronotus pristinus The pristine mustached bat (''Pteronotus (Phyllodia) pristinus'') is an extinct Late Quaternary species of bat in the endemic Neotropical family Mormoopidae. It was distributed in Cuba and possibly Florida (United States). Distribution This bat ...

''† (Silva-Taboada, 1974) – pristine mustached bat **Subgenus ''Pteronotus'' Gray, 1838 ***'' Pteronotus davyi'' (Gray, 1838) – Davy's naked-backed bat ***'' Pteronotus gymnonotus'' ( Natterer, 1843) – big naked-backed bat

References

Bat families Extant Pleistocene first appearances Taxa named by Henri Louis Frédéric de Saussure {{bat-stub