Geoffroy's rousette (Rousettus amplexicaudatus ) is a species of megabat or Old World fruit bats. It is one of 10 species in the genus Rousettus.
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NocturnalNocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
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FrugivoreA frugivore is an animal that thrives mostly on raw fruits or succulent fruit-like produce of plants such as roots, shoots, nuts, and seeds. Approx...
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HerbivoreA herbivore is an animal anatomically and physiologically adapted to eating plant material, for example, foliage, for the main component of its die...
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NectarivoreIn zoology, a nectarivore is an animal that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of the sugar-...
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ZoochoryZoochory animals are those that can disperse plant seeds in several ways. Seeds can be transported on the outside of vertebrate animals (mostly mam...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
Arboreal locomotion is the locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some anima...
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ColonialColonial animals live in large aggregations composed of two or more conspecific individuals in close association with or connected to, one another....
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MigratingAnimal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migrati...
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starts withLike other fruit bats, R. amplexicaudatus has sensitive hearing and sense of smell and good eyesight which helps it to manoeuvre well during flight, specifically at night. What makes it different from other fruit bats is its echolocating ability. It can be distinguished by its grey-brown to brown upperpart which is darker on top of the head and paler underpart which is usually grey-brown. It has long pale hairs on the chin and neck despite having short and sparse fur. It sometimes has pale yellow tufts of hair on the side of its neck which occur in adult for this species, especially males. Most males are substantially larger than females. The most distinguishable figure of this bat besides producing a distinctive, audible clicking call is its wings. It is attached to the sides of the back and separated by a broad band of fur. The lower incisors are bifid, the canines have a longitudinal groove on the outer surface which is slightly medial to center, and the first premolars are smaller than second premolars, especially on the upper jaw.
Geoffroy's rousette occurs throughout Southeast Asia and in the Malesia region of Oceania, in Myanmar, Thailand, Cambodia, Laos, Vietnam, Singapore, Indonesia, the island of Borneo, East Timor, the Philippines, the Solomon Islands, Bismarck Archipelago, and Papua New Guinea.
Specimens in the Sabah Museum were collected from coconut plantations on Mantani Island and the highland of Crocker Range, while the one from Sarawak was from Niah Cave. This medium-sized bat normally roosts in caves, and feeds on fruit, nectar, and pollen. It roosts dark caves, rock crevices and old tombs.
The Monfort Bat Cave in the southern Philippines has the largest gathering of these bats.