Английская Википедия:Genoways's yellow bat
Шаблон:Short description Шаблон:Speciesbox Genoways's yellow bat (Rhogeessa genowaysi) is a species of vesper bat found only in Mexico. It is threatened by habitat loss. Due to its imperiled status, it is identified by the Alliance for Zero Extinction as a species in danger of imminent extinction.[1]
Taxonomy and etymology
This species was described in 1984 by Robert J. Baker, based on an individual that was collected in 1981. The eponym for this species is Hugh H. Genoways, whom Baker chose "in recognition of his outstanding contributions to systematic mammalogy."[2] It is one of the seven species recognized in the black-winged little yellow bat species complex.[3] Its closest relative is the black-winged little yellow bat.[4]
Description
It is a small species of bat, weighing approximately Шаблон:Convert.[4] It has yellow fur, and its ears are small and rounded. Its uropatagium is hairless.[5] It is considered a cryptic species of bat because it is virtually identical to the black-winged little yellow bat, Rhogeessa tumida; the ranges of the two species overlap, making them sympatric.[2] The best morphological trait to distinguish it from the black-winged little yellow bat is ear length. The ears of the Genoways's yellow bat are approximately Шаблон:Convert long, while those of the black-winged little yellow bat are Шаблон:Convert long. Genoways's yellow bat is also more sexually dimorphic than the black-winged little yellow bat, with females larger than the males.[6] Its forearm is Шаблон:Convert long.[2] Its dental formula is Шаблон:DentalFormula, for a total of 30 teeth.[5]
Biology
The only reliable way to distinguish it from the black-winged little yellow bat is through its karyotype. Genoways's yellow bat has a diploid chromosome number of 42, while the closely related black-winged little yellow bat has chromosome numbers of 30, 32, 34, and 52. The little yellow bat, also closely related, has a chromosome number of 44. The race of the black-winged little yellow bat that is sympatric to Genoways's yellow bat has 34 chromosomes.[2] They are aerial insectivores.[6]
Range and habitat
It is found in the southern part of the Mexican state of Chiapas in the Pacific lowlands.[2] It has been captured under the canopy of mature, second growth tropical forests. It is found at elevations of Шаблон:Convert above sea level.[7]
Conservation
It is listed as endangered by the IUCN. Previous assessments by the IUCN had it ranked as vulnerable and near threatened in 2000 and 1996, respectively. Its population size is in decline, and its habitat is severely fragmented. A major threat to this species is habitat destruction for agriculture.[7]
References
- ↑ Шаблон:Cite web
- ↑ 2,0 2,1 2,2 2,3 2,4 Baker, R. J. (1984). A sympatric cryptic species of mammal: a new species of Rhogeessa (Chiroptera: Vespertilionidae). Systematic Biology, 33(2), 178-183.
- ↑ Genoways, H. H., & Baker, R. J. (1996). A new species of the genus Rhogeessa, with comments on geographic distribution and speciation in the genus.
- ↑ 4,0 4,1 Baker, R. J., Bickham, J. W., & Arnold, M. L. (1985). Chromosomal evolution in Rhogeessa (Chiroptera: Vespertilionidae): possible speciation by centric fusions. Evolution, 39(2), 233-243.
- ↑ 5,0 5,1 Goodwin, G. G., & Greenhall, A. M. (1961). A review of the bats of Trinidad and Tobago: descriptions, rabies infection, and ecology (Vol. 122). American Museum of Natural History.
- ↑ 6,0 6,1 Roots, E. H., & Baker, R. J. (1998). Rhogeessa genowaysi. Mammalian Species, (589), 1-3.
- ↑ 7,0 7,1 Ошибка цитирования Неверный тег
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; для сносокiucn status 17 November 2021
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- Mammals described in 1984
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- Endemic mammals of Mexico
- Central American dry forests
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