Philippine bare-backed fruit bat
The Philippine naked-backed fruit bat or Philippine bare-backed fruit bat (Dobsonia chapmani ) is a megabat that mostly lives on Negros Island. Two small populations were also found on Cebu Island in the Philippines. Like other bare-backed fruit bats, its wings meet along the midline of their bodies, making it a very agile flier. It roosted in caves, in areas where little light penetrated the gloom. It was so abundant once that it left piles of guano, which were used by miners as fertilizer.
By the mid-1980s, the lowland forest was replaced by sugar cane plantations and the bat vanished. In 1996 the species was declared extinct by the IUCN, as none had been sighted since 1964, but the bat was rediscovered in 2000. The species now survives in very small numbers. The bat lives in caves and comes out at night to eat fruits from local rainforests. After the forests were cut down to make way for sugar plantations the bat population dropped drastically, and the few remaining ones are still hunted for their meat. Now the bats reside in the few areas of remaining forest, and if these are cut down, the species is likely to go extinct. The forest where the bats live in Cebu is protected in that it cannot be cut down, but there are no conservation measures on Negros.
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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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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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Island endemicIsland endemic animals are found in a single defined geographic location, such as an island. Animals or organisms that are indigenous to a place ar...
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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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PolygynandryPolygynandry is a mating system in which both males and females have multiple mating partners during a breeding season.
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PolygamyPolygamy is the practice of breeding with multiple partners. When a male breeds with more than one female at the same time – it is called polygyny....
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starts withDobsonia chapmani is a large fruit bat that lives in Southeastern Asia in the Philippines and the surrounding islands. It measures 218–221 mm from nose to tail and weighs 125–143 g. The wings of this bat connect to the midline of the back giving it a naked/furless appearance.
The bat prefers limestone caves in the forest. The forest habitats, consist of naturally open and shrubby native vegetation such as: batino (Alstonia macrophylla ), hindunganon (Macaranga sp.), tubug (Ficus septica ), and matamban (Mallotus sp.), which grow on steep slopes. For food, the bat also utilizes the surrounding agricultural clearings that are planted with abacá (Musa textiles ), gabi (Colocasia esculenta ), and coconuts (Cocos nucifera ). Only about 60 ha. remain of forested land for this species, all of which is outside of the protected Central Cebu National Park.
As the name implies this species eats many kinds of fruit, so they act as an important species for seed dispersal.
Until only a few years ago this species was thought to be extinct due to three common threats. The first is overharvesting of these bats for meat due to their large size. The second and most devastating threat is deforestation, which is inevitable because of the growing human population. The last factor is no measures are taken to protect the habitat of this species, except for a few minor areas in the Carmen municipality.
In the Carmen municipality on Cebu Island the local government has formed a group of environmental protection coordinators who patrol and report violations in the habitat of the Philippines naked backed fruit bat. The duty of these coordinators is to survey cave "sanctuaries", as named by the municipal government, and report changes in the habitat and hunting of bats. A reforestation project is underway as well. Many other towns are following in Carmen's footsteps by becoming proactive in saving this bat. There is also a law that applies to both of the islands, which is the Republic Act 9147 or the Wildlife Resources Conservation and Protection Act. This Act, among other objectives, conserves and protects wildlife and their habitat. This species is also known as a flagship species in many areas in which it lives. In 2013, Bat Conservation International listed this species as one of the 35 species of its worldwide priority list of conservation.