Chiroderma
| Chiroderma | ||||||||||||
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Salvin's bigeye bat ( Chiroderma salvini ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Chiroderma | ||||||||||||
| Peters , 1860 |
Chiroderma is a bat genus in the leaf-nosed familywith five species that occur in Central and South America .
features
| 2 | · | 1 | · | 2 | · | 2 | = 28 |
These bats reach a head-torso length of 55 to 87 mm, a forearm length of 37 to 58 mm and a weight of 14 to 22 g. The base of the tail is not externally visible. The fur is brown to reddish brown on top, while the underside is lighter in color. The Salvin bigeye bat and a subspecies of the lesser bigeye bat have distinctive light or white stripes on the face and / or on the back. In some populations of the lesser bigeye bat, the fur has a shade of yellow or gray. All related species lack the nasal bone . The genus also differs from the striped fruit vampires ( Platyrrhinus ) by a broader nasal sheet and a more hairy flight skin .
In the Chiroderma species, the upper internal incisors are long and pointed.
Types and distribution
The genus includes the following species.
- Brazilian bigeye bat ( Chiroderma doriae ), eastern Paraguay , southeastern Brazil , presumably neighboring areas of Argentina .
- Guadeloupe bigeye bat ( Chiroderma improvisum ), endemic to Guadeloupe and Montserrat .
- Salvin's bigeye bat ( Chiroderma salvini ), with several separate populations from Mexico to Bolivia and Brazil.
- Small bigeye bat ( Chiroderma trinitatum ), from Costa Rica to Bolivia and Brazil.
- Hairy bigeye bat ( Chiroderma villosum ), from southern Mexico to Bolivia and Brazil.
The IUCN lists the Guadeloupe bigeye bat as endangered ( Vulnerable ) and the other species as not endangered ( Least Concern ).
Way of life
The species are mainly found in moist habitats , often near ponds or streams. They feed mainly on fruits. The mating season varies between species and populations. Females give birth to a young after 3.5 to 4 months of gestation .
credentials
- Wilson & Reeder (Eds.): Mammal Species of the World . 3. Edition. Johns Hopkins University Press, Baltimore 2005, ISBN 0-8018-8221-4 (English, Chiroderma ).
- Chiroderma on the2015 IUCN Red List of Threatened Species. Retrieved April 30, 2016.
- Ronald M. Nowak: Walker's Mammals of the World. Volume 1. 6th edition. 1999, pp. 394-395, ISBN 0-8018-5789-9 ( Big-eyed Bats ).
- Alfred L. Gardner (Ed.): Mammals of South America, Volume 1 . University of Chicago Press, 2008, ISBN 0-226-28240-6 , pp. 321-322 (English, genus Chiroderma ).
