| Angulate pipistrelle | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Chiroptera |
| Family: | Vespertilionidae |
| Genus: | Pipistrellus |
| Species: | P. angulatus |
| Binomial name | |
| Pipistrellus angulatus Peters, 1880 | |
The angulate pipistrelle (Pipistrellus angulatus), also known as the New Guinea pipistrelle, is a species of vesper bat found in Papua New Guinea and the Solomon Islands. [1]
This species is virtually identical in appearance to the Papuan pipistrelle (P. papuanensis). In both species the dorsum fur is bicolored, with a brown tip overlying the longer black base of the hair. The ventral fur in both species has a black base tipped with cinnamon brown, and The snout, lip, ear, wing, forearm, and hind foot are clove brown, with a lightly furred uropatagium. However, there are several key morphological differences. P. angulatus has a strongly concave forehead. The first upper incisor is bicuspid, and the height of the second upper incisor is less than the posterior cusp of this tooth. The tragus narrows only slightly at the apex and the antitragus is moderately high. [2]
Pipistrellus angulatus occurs on New Guinea and the Bismarck, Admiralty, D'Entrecasteaux, and Louisiade Island groups. Within Papua New Guinea, Pipistrellus angulatus has been collected from sea level to 2400 m from East New Britain, East Sepik, New Ireland, Gulf, Manus, North Solomons, Milne Bay islands, and Madang, Oro, Sandaun, and Western Provinces. This species also occurs on Superiori Island, Biak-Numfoor Province in Irian Jaya and on Fauro, New Georgia, Nendo, Guadalcanal, and Santa Ysabel Islands in the Solomon Islands.
The New Guinea pipistrelle is known to roost in caves, bamboo stands, and buildings. At dusk, New Guinea pipistrelles emerge from their day roost to forage on aerial insects in mature primary and secondary forest. [3] A maternity colony of 200 bats was active in 1981 in a cave in New Ireland in June, clustered in a 500 cm by 66 cm ceiling hole; another New Ireland colony was discovered living between the roof shingles and wall of school building in June, and both females examined carried embryos. [4] Four male specimens were shot while foraging at dusk at the summit of Mount Kaindi, Morobe Province in July 1968, by P.H. Coleman and A. Ziegler. The flight pattern of this species is slow with many erratic turns. [2]
This bat has a large geographical distribution; it is found on many islands from the Solomons to Biak. As of 2020, it is listed as least-concern species by the IUCN. [1]
The tricolored bat is a species of microbat native to eastern North America. Formerly known as the eastern pipistrelle, based on the incorrect belief that it was closely related to European Pipistrellus species, the closest known relative of the tricolored bat is now recognized as the canyon bat. Its common name "tricolored bat" derives from the coloration of the hairs on its back, which have three distinct color bands. It is the smallest bat species in the eastern and midwestern US, with individuals weighing only 4.6–7.9 g (0.16–0.28 oz). This species mates in the fall before hibernation, though due to sperm storage, females do not become pregnant until the spring. Young are born helpless, though rapidly develop, flying and foraging for themselves by four weeks old. It has a relatively long lifespan, and can live nearly fifteen years.
The common pipistrelle is a small pipistrelle microbat whose very large range extends across most of Europe, North Africa, South Asia, and may extend into Korea. It is one of the most common bat species in the British Isles. In Europe, the northernmost confirmed records are from southern Finland near 60°N.
The lesser horseshoe bat is a type of small European and North African insectivorous bat, related to its larger cousin, the greater horseshoe bat. As with all horseshoe bats, the species gets its name from its distinctive horseshoe-shaped noseleaf.
Geoffroy's rousette is a species of megabat or Old World fruit bats. It is one of ten species in the genus Rousettus.
The soprano pipistrelle is a small species of bat. It is found in Europe and often roosts on buildings.
Savi's pipistrelle is a species of vesper bat found across North West Africa, the Mediterranean region and the Middle East. It feeds at night on flying insects. In the summer it roosts under bark, in holes in trees, in old buildings and in rock crevices but in winter it prefers roosts where the temperature is more even such as caves, underground vaults and deep rock cracks.
Nathusius' pipistrelle is a small bat in the genus Pipistrellus. It is very similar to the common pipistrelle and has been overlooked in many areas until recently but it is widely distributed across Europe. It was described by two German naturalists, Alexander Keyserling and Johann Heinrich Blasius, and named by them after Hermann von Nathusius, in gratitude for his support of their research.
The western false pipistrelle, species Falsistrellus mackenziei, is a vespertilionid bat that occurs in Southwest Australia. The population is declining due to loss of its habitat, old growth in tall eucalypt forest which has largely been clear felled for tree plantations, wheat cultivation and urbanisation. Although it is one of the largest Australian bats of the family, the species was not recorded or described until the early 1960s. A darkly colored bat with reddish brown fur and prominent ears, they fly rapidly around the upper canopy of trees in pursuit of flying insects.
The fawn leaf-nosed bat is a species of bat in the family Hipposideridae found in Australia, Indonesia, Malaysia, the Philippines and Vanuatu.
The Makira roundleaf bat is a species of bat in the family Hipposideridae endemic to the Solomon Islands.
The Kolar leaf-nosed bat, or leafletted leaf-nosed bat is a species of bat in the family Hipposideridae. It is endemic to India. Its natural habitats are subtropical or tropical dry forests and caves. It is found in only one cave in India, and its population is less than 200 individuals.
The big-eared roundleaf bat is a species of bat in the family Hipposideridae. It is endemic to Indonesia, known from Kangean Islands, southwestern Sulawesi and Seram Island. It roosts in caves and tree hollows and probably forages in woodland. It is threatened by habitat loss through logging and other human activities.
The Biak roundleaf bat or Geelvinck Bay leaf-nosed bat is a species of bat in the family Hipposideridae. It is endemic to the Biak Islands and Cenderawasih Bay area of Papua Province, located in Western New Guinea, Indonesia.
The northern leaf-nosed bat is a micro-bat of the family Hipposideridae, known as "leaf-nosed" bats. The species is endemic to northern regions of Australia. They are highly manoeuvrable in flight, and use echolocation to forage for insect prey.
The Christmas Island pipistrelle was a species of vesper bat found only on Christmas Island, Australia. The species is now extinct, with the last individual bat seen in August 2009 with no further sightings despite intensive efforts to locate it.
Pipistrellus raceyi, also known as Racey's pipistrelle, is a bat from Madagascar, in the genus Pipistrellus. Although unidentified species of Pipistrellus had been previously reported from Madagascar since the 1990s, P. raceyi was not formally named until 2006. It is apparently most closely related to the Asian species P. endoi, P. paterculus, and P. abramus, and its ancestors probably reached Madagascar from Asia. P. raceyi has been recorded at four sites, two in the eastern and two in the western lowlands. In the east, it is found in open areas and has been found roosting in a building; in the west it occurs in dry forest. Because of uncertainties about its ecology, it is listed as "Data Deficient" on the IUCN Red List.
A maternity colony refers to a temporary association of reproductive female bats for giving birth to, nursing, and weaning their pups. The colonies are initiated by pregnant bats. After giving birth, the colony consists of the lactating females and their offspring. After weaning, juveniles will leave the maternity colony, and the colony itself will break apart. The size of a maternity colony is highly variable by species, with some species forming colonies consisting of ten or fewer individuals, while the largest maternity colony in the world in Bracken Cave is estimated to have over 15 million bats.
