Anoura geoffroyi
| Geoffroy's tailless bat | |
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| Geoffroy's tailless bat | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Chiroptera |
| Family: | Phyllostomidae |
| Genus: | Anoura |
| Species: | A. geoffroyi |
| Binomial name | |
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Anoura geoffroyi Gray, 1838 |
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| Geoffroy's tailless bat range | |
Geoffroy's tailless bat (Anoura geoffroyi) is a species of phyllostomid bat from the American tropics.
Geoffroy's tailless bat is a medium-sized bat, measuring around 7 cm (2.8 in) in total length and weighing 10 to 15 g (0.35 to 0.53 oz). It has dark to dull brown fur over much of its body, with greyish-brown underparts and silvery-grey fur on the neck and shoulders. The wings are black or very dark brown, while the membrane between the legs is relatively small and covered in hair. As its name suggests, the bat does not possess a tail. It has a long muzzle, a projecting lower jaw, and short, rounded ears. Its tongue is long and narrow, with a pointed tip covered with fine that help to draw up nectar when it feeds.
Males and females do not vary much in size in Brazil, but in Trinidad, another area where Anoura geoffroyi lives, the females are reported to have slightly longer forearms than the males.
Geoffroy's tailless bat is found from northern Mexico, through much of Central America, across northern South America, and through Peru to parts of Bolivia and Brazil immediately south of the Amazon Basin. It has also been reported from both Trinidad and Grenada. The bat inhabits wooded environments between 400 and 2,500 m (1,300 and 8,200 ft) elevation, including pine and oak forests, cloud forest, cerrado, and agricultural land.
Three subspecies are currently recognised:
The bat is primarily insectivorous, with up to 90% of its diet consisting of moths and beetles. However, they also eat some fruit and lap up nectar and pollen from a wide range of flowers, and has even been reported to subsist entirely on nectar in some parts of its range.
They are nocturnal, resting in caves close to water during the day, either alone, or in colonies of up to 300 individuals, although colony sizes of 20 to 75 are more common. The species is a swift flier, and is able to hover. It uses both vision and echolocation to navigate, with its hearing being most sensitive between 65 and 75 kHz. Since it feeds on similar insects to other local species of bats, it may avoid competition by feeding at discrete altitudes not favoured by those bats.
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Wikipedia