Millerbird

Acrocephalus familiaris

A small old-world warbler that occurs only on Nihoa and Laysan in the Northwestern Hawaiian Islands. Unlikely to be confused with any other species; the only other passerines on those islands are finches. Does not occur on the main Hawaiian Islands. Prefers dense, low vegetation. Usually secretive and hard to see well, but males sometimes sing from an exposed perch. Song and calls are harsh chirps and churring.

识别特征

The millerbird (Acrocephalus familiaris) is a species of Old World warbler in the family Acrocephalidae endemic to the Hawaiian Islands.

分类信息

It has two subspecies, A. f. kingi and A f. familiaris. The nominate subspecies, the Laysan millerbird, became extinct sometime between 1916 and 1923. The former, the critically endangered Nihoa millerbird, remains the only race left, inhabiting the small island Nihoa in Hawaiʻi, though it has since been reintroduced to Laysan. It is the only Old World warbler to have colonised Hawaiʻi, although there is no fossil evidence that the species ever had a distribution beyond these two islands.

学名
Acrocephalus familiaris
命名信息
(Rothschild, 1892)
Passeriformes
Acrocephalidae
Acrocephalus

分布与栖息地

迁徙
Resident species

行为

Migration pattern: Resident species.

保护状况

种群趋势
unknown

照片

分布

鸟叫声

其他鸟类

Spot-tailed Antwren

Spot-tailed Antwren

Herpsilochmus sticturus

Small antbird of rainforest canopy; somewhat more common in forests with sandy soils. From below, note clean white underparts and heavy bill. Usually encountered with mixed-species flocks. Forages slowly along limbs and explores leaf clusters. Very similar to Todd’s Antwren and most safely separated from that species by voice. Song is an accelerating “bouncing ball” series, similar to Pygmy Antwren but with a harder quality and not falling in pitch at the end.

Cock-tailed Tyrant

Cock-tailed Tyrant

Alectrurus tricolor

A remarkable flycatcher; males are black above and white below with a broad tail that has longer central feathers and is usually held perpendicular to the others and spread like a fan. Females are mottled brown above and whitish below without the cocked tail. Occurs in open, humid, and tall grass savanna areas that have been well preserved. Mostly silent.

Barusan Cuckoo-Dove

Barusan Cuckoo-Dove

Macropygia modiglianii

Endemic to the Barusan Islands, off Sumatra’s northwest coast. Dark gingery brown overall, with a slightly lighter head. The only cuckoo-dove on the Barusans, except for Simeulue, where Little Cuckoo-Dove also occurs; note Barusan’s larger size and darker rust-brown chest. Inhabits forested areas in the lowlands and foothills of the Barusans. Similar in habits to other cuckoo-doves: shy and sluggish, typically foraging singly in the middle and lower levels of forest. Gives a three-part series of cooing hoots, “woo-woo-wooOOH”; may sound like just one rising hoot at a distance.

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