| Saipan reed warbler | |
|---|---|
 | |
| Saipan reed warbler (Acrocephalus hiwae) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Acrocephalidae |
| Genus: | Acrocephalus |
| Species: | A. hiwae |
| Binomial name | |
| Acrocephalus hiwae (Yamashina, 1942) | |
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The Saipan reed warbler (Acrocephalus hiwae) is a critically endangered songbird of the Northern Mariana Islands.
It is sometimes considered a subspecies of the extinct nightingale reed warbler (A. luscinius) by some taxonomists.
It occurs on two islands: Saipan and Alamagan. An estimated population of 2700 birds was reported in 2009 on Saipan, and on Alamagan 950 birds were reported in 2010. [1] It inhabits wetlands, thickets and the margins of forests.
The Saipan reed warbler is approximately 17 cm (6.7 in) long, and is greyish olive-brown above with a pale-yellow underside. The female is slightly smaller than the male. Both sexes have a long bill compared to other reed warbler species.
Threats to the survival of the Saipan reed warbler include habitat destruction resulting from urban development and agriculture, the introduction of invasive species, and volcanic eruptions. [2]
The common cuckoo is a member of the cuckoo order of birds, Cuculiformes, which includes the roadrunners, the anis and the coucals.
The Acrocephalus warblers are small, insectivorous passerine birds belonging to the genus Acrocephalus. Formerly in the paraphyletic Old World warbler assemblage, they are now separated as the namesake of the marsh and tree warbler family Acrocephalidae. They are sometimes called marsh warblers or reed warblers, but this invites confusion with marsh warbler and reed warbler proper, especially in North America, where it is common to use lower case for bird species.
The sedge warbler is an Old World warbler in the genus Acrocephalus. It is a medium-sized warbler with a brown, streaked back and wings and a distinct pale supercilium. Sedge warblers are migratory, crossing the Sahara to get from their European and Asian breeding grounds to spend winter in Africa. The male's song is composed of random chattering phrases and can include mimicry of other species. The sedge warbler is mostly insectivorous.
The marsh warbler is an Old World warbler currently classified in the family Acrocephalidae. It breeds in temperate Europe and the western Palearctic and winters mainly in southeast Africa. It is notable for incorporating striking imitations of a wide variety of other birds into its song.
The great reed warbler is a Eurasian in the passerine genus Acrocephalus.
The paddyfield warbler is a species of marsh warbler. It was formerly included in the "Old World warbler" assemblage. The Manchurian reed warbler was included in A. agricola as a subspecies.
The moustached warbler is an Old World warbler in the genus Acrocephalus. It breeds in southern Europe and southern temperate Asia with a few breeding in north-west Africa. It is partially migratory. South-west European birds are resident, south-east European birds winter in the Mediterranean breeding range, and the Asiatic race migrates to Arabia, India and Pakistan.
The Cape Verde warbler is an Old World warbler in the genus Acrocephalus. It is also known as the Cape Verde cane warbler or Cape Verde swamp warbler, and in Creole as tchota-de-cana or chincherote. It breeds on Santiago, Fogo, and São Nicolau in the Cape Verde Islands. It previously bred on Brava. This species is found in well-vegetated valleys, avoiding drier areas. It nests in reedbeds, two to three eggs being laid in a suspended nest.
The Australian reed warbler is an Old World warbler in the genus Acrocephalus and is the only Acrocephalus species native to Australia. It has also been observed in Papua New Guinea and nearby islands. The name Acrocephalus refers to the peaked crown found on reed warblers in this genus and can be translated to mean "topmost head" in Greek. The species name australis is translated to mean "southern" in Latin, and refers to the species range, Australia. In its western range the Australian reed warbler is also known as "Koordjikotji" in the local Aboriginal language of Perth and its surrounds.
Alamagan is an island in the Northern Mariana Islands in the Pacific Ocean, 30 nautical miles (56 km) north of Guguan, 250 nautical miles (463 km) north of Saipan, and 60 nautical miles (111 km) south of Pagan. It is currently undergoing resettlement since 2018, with a few people living there. The project was coordinated by the Northern Islands Mayor's office and the people there have radio contact with the mainland.
The millerbird is a species of Old World warbler in the family Acrocephalidae endemic to the Hawaiian Islands.
The Seychelles warbler, also known as Seychelles brush warbler, is a small songbird found on five granitic and corraline islands in the Seychelles. It is a greenish-brown bird with long legs and a long slender bill. It is primarily found in forested areas on the islands. The Seychelles warbler is a rarity in that it exhibits cooperative breeding, or alloparenting, which means that the monogamous pair is assisted by nonbreeding female helpers.
The nightingale reed warbler, or Guam reed-warbler, is an extinct songbird that was endemic to Guam.
The large-billed reed warbler is an Old World warbler in the genus Acrocephalus. The species has been dubbed as "the world's least known bird". It was known from a single specimen collected in India in 1867 and rediscovered in the wild in Thailand in 2006. The identity of the bird caught in Thailand was established by matching DNA sequences extracted from feathers; the bird was released. After the rediscovery in the wild a second specimen was discovered amid Acrocephalus dumetorum specimens in the collections of the Natural History Museum at Tring. A breeding area was found in Afghanistan in 2009 and studies in 2011 pointed to its breeding in Kazakhstan and Tajikistan. One bird was found in the Baikka Wetland in Srimangal, Bangladesh on 7 December 2011.
The Acrocephalidae are a family of oscine passerine birds, in the superfamily Sylvioidea.
The golden white-eye is a species of bird in the white-eye family, Zosteropidae. It is the only species within the genus Cleptornis. The golden white-eye was once considered to be a honeyeater in the family Meliphagidae and although it is now known to be a white-eye, its position within that family is still uncertain. The species is restricted to the islands of Saipan and Aguijan in the Northern Mariana Islands, where it is sympatric and competes with the related bridled white-eye. The golden white-eye has golden plumage and a pale eye-ring. It feeds on insects, fruit, and nectar and forages in pairs or small family groups. The bird is monogamous and lays two eggs in a small cup nest.
The Pagan reed warbler was sometimes considered a subspecies of the nightingale reed warbler. It originally occurred on Pagan Island and "was extinct by the late 1970s". More precisely, in the 1970s, the 1980s, in 2000 and in 2010, the bird could not be found and is therefore presumed to be extinct.
The Mangareva reed warbler or Astrolabe reed warbler is a presumed extinct songbird that existed on Mangareva in the Gambier Islands. It is known from only two specimens, and is believed to have gone extinct in the mid-19th century, likely due to deforestation and the introduction of exotic predators.
The Nauru reed warbler is a passerine bird endemic to the island of Nauru in the Pacific Ocean. It is one of only two native breeding land-birds on Nauru and it is the only passerine found on the island. It is related to other Micronesian reed warblers, all of which evolved from one of several radiations of the genus across the Pacific. Related warblers on nearby islands include the Caroline reed warbler, with which the Nauru species was initially confused, and the nightingale reed warbler, which was formerly sometimes considered the same species.
The Aguiguan reed warbler or Aguijan reed warbler was a bird that originally occurred on the Northern Mariana Island Aguigan. It is considered a subspecies of the nightingale reed warbler by some taxonomists. Of this subspecies there never have been reports of a substantial population. In 1982 only four up to possibly 15 birds of the subspecies have been counted, and since 1995 none has been sighted, despite extended efforts to find specimens.
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