Bridled White-eye (Zosterops conspicillatus)

Family
Zosteropidae (White-eyes And Yuhinas)

Size
12 cm

First Described (Guide)
(Kittlitz, 1832)

Habitat
Subtropical and tropical lowland moist forest. Also, rural gardens, plantations.

Range (Guide)

Guam (E) (B), Northern Mariana Islands (B).

Guam (E) (B), islands of Saipan, Tinian and Aguijan in the Northern Mariana Islands (USA).

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is 100,000 - 499,999 (2010) and decreasing.

Status EX
Predation by the introduced brown tree snake Boiga irregularis is the main threat.

For more information see BirdLife International Species Factsheet.

Habits
Forages in large flocks in the upper canopy of native limestone forest.

Food
Insects, seeds, fruits, caterpillars and berries. It is not strongly nectarivorous.

Voice
Call is a high-pitched 'tszeeip', often rapidly uttered and organized into a loose song.

Xeno-Canto Sound Files

Bridled White-eye (Zosterops conspicillatus) [XC66341]
by id from Mount Tapochau, Micronesia (call)

Bridled White-eye (Zosterops conspicillatus) [XC295394]
by James Bradley from Laderan Tangke, Saipan, Micronesia (call)

Subspecies
Zosterops conspicillatus (Sibley and Monroe 1990, 1993) has been split into the extinct Bridled White-eye (Zosterops conspicillatus) and Rota White-eye (Zosterops rotensis) following Slikas et al. (2000).

Forms a superspecies with Rota White-eye (Zosterops rotensis), Citrine White-eye (Zosterops semperi) and Yap Plain White-eye (Zosterops hypolais) and all formerly considered conspecific, but differ in plumage, vocalizations and behaviour, and treatment as separate species supported by DNA-DNA hybridization and analyses of mitochondrial DNA. Subspecies saypani sometimes treated as a full species, but this not supported by mtDNA data, although differs vocally from nominate. Further study is required.

The following 2 subspecies are recognised:

saypani ! Dubois, AJC, 1902 - Northern Mariana Is. (Tinian, Agiguan and Saipan). Considered by some authors to be a distinct species, Saipan White-eye (Zosterops saypani).
conspicillatus ! (Kittlitz, 1832) - Mariana Islands.

References
See References.

Files:

JPG files for Bridled White-eye (Zosterops conspicillatus) - 10 files

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BirdLife International

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BirdLife International Species Factsheet.

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