Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Laurasiatheria
Cladus: Scrotifera
Ordo: Chiroptera
Subordo: Yangochiroptera
Superfamilia: Noctilionoidea
Familia: Phyllostomidae
Subfamilia: Phyllostominae
Genus: Chrotopterus
Species: Chrotopterus auritus
Name
Chrotopterus auritus Peters, 1856
Type locality: Mexico.
Synonyms
australis Thomas, 1905
guianae Thomas, 1905
References
Peters, W. 1856. Abhandl. Akad. Wiss. Berlin 1856: 305.
Conservation status: IUCN: Chrotopterus auritus (Least Concern)
Chrotopterus auritus in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
Distribution
Veracruz (Mexico) south to the Guianas
South Brazil
Peru
Bolivia
North Argentina
Vernacular names
English: Woolly False Vampire Bat.
The big-eared woolly bat or (Peters's) woolly false vampire bat (Chrotopterus auritus) is a species of bat, belonging to the family Phyllostomidae.
The name Chrotopterus is derived from Greek roots chariots (skin, color), and pteron (wing). The epithet auritus refers to the large ears.[2]
Description
Big-eared woolly bats are very large predatory bats, the second largest bat species in the neotropics. Their body mass typically ranges from 75 to 96 grams (2.6 to 3.4 oz). The length of the forearm ranges from 79 to 83 millimetres (3.1 to 3.3 in). There are only three New World phyllostomid bats of comparable size.[2] The dorsal hair is about 12 millimetres (0.47 in) long, which is longer than that most of phyllostomid species. They also possess two lower incisors, a trait typically shared with smaller bats.
Ecology
Habitat
Big woolly-eared bats live in warm subtropical forests, usually roosting in caves and hollow logs, where prey is returned to before consumption. Geographically, they are found in southern parts of Mexico and extend through Northeastern South America, being found as far south as Bolivia.[2] They are typically found in areas that also host many other species of bat.[2]
Diet
Big-eared woolly bats have diverse feeding habits. It has been shown to feed primarily on small arthropods and small vertebrates, including fruits, beetles, moths, small mammals (including opossums and rodents), birds (including passerine birds) and even other bat species. Though primarily carnivorous or insectivorous, it has also been known to eat fruit.[3] However, in captivity, they refused to eat fruit, indicating a preference toward meat or insects. Another unique prey item for this species are geckos. This prey item was previously thought to have been only displayed in one other species of New World bat - T. cirrhosis.[4] They are able to take prey of up to 70 grams (2.5 oz) weight, but more commonly feed on smaller vertebrates of 10 to 35 grams (0.35 to 1.23 oz). Prey is not consumed until the bat has returned to its roost and returned to its head-down position.[2]
Behavior
Big-eared woolly bats fly slowly, partially because of their large size, flying 1 or 2 meters above ground and usually in dense thickets. They are typically either solitary or part of a small group. Colony sizes vary between one and seven individuals, consisting of a male-female adult pair and their pup(s).[5]
Reproduction
Big-eared woolly bats give birth to a single young per reproduction cycle, after a gestation period of more than 100 days. This is the largest parental investment exhibited in a species belonging to the Phyllostomid family. Newborn pups are born roughly 32.5% of the size of the mother, whereas other species in the Phyllostomid family range from 18.6-29.4% of mother size.[5]
References
Wikimedia Commons has media related to Chrotopterus auritus.
Barquez, R.; Perez, S.; Miller, B.; Diaz, M. (2015). "Chrotopterus auritus". IUCN Red List of Threatened Species. 2015: e.T4811A22042605. doi:10.2305/IUCN.UK.2015-4.RLTS.T4811A22042605.en. Retrieved 18 November 2021.
Medellin, Rodrigo (1989-10-26). "Chrotopterus auritus" (PDF). Mammalian Species (343): 1–5. doi:10.2307/3504232. JSTOR 3504232. Retrieved 2015-11-19.
Uieda, Wilson; Sato, Therys M.; Carvalho, Maria C. de; Bonato, Vinícius (2007). "Fruits as unusual food items of the carnivorous bat Chrotopterus auritus (Mammalia, Phyllostomidae) from southeastern Brazil". Revista Brasileira de Zoologia. 24 (3): 844–847. doi:10.1590/S0101-81752007000300035. hdl:11449/28389.
Tuttle, M. D. (1967-05-20). "Predation of Chrotopterus auritus on Geckos". Journal of Mammalogy. 48 (2): 319. doi:10.2307/1378041. JSTOR 1378041.
Esbérard, C. E. L.; Motta, A. G.; Almeida, J. C.; Ferreira, L. C. S.; Costa, L. M. (August 2006). "Reproduction of Chrotopterus auritus (Peters) in captivity (Chiroptera, Phyllostomidae)". Brazilian Journal of Biology. 66 (3): 955–956. doi:10.1590/S1519-69842006000500022. PMID 17119844.
Chiroptera Specialist Group 1996. Chrotopterus auritus. 2008 IUCN Red List of Threatened Species. Downloaded on 26 October 2008.
Theodore H. Flemming, 2003. A Bat Man in the Tropics: Chasing El Duende.
Eisenberg, J.F. and Redford, K.H. 1999. "Mammals of the Neotropics, Volume 3: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil". University of Chicago Press.
Emmons, Louise H.; Feer, François (1997-09-02). Neotropical rainforest mammals. A field guide (2nd ed.). Chicago: University of Chicago Press. p. 69. ISBN 978-0-226-20721-6. OCLC 44179508.
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