SPECIES

Capped White-eye Zosterops fuscicapilla Scientific name definitions

Natalia C. García, Bas van Balen, Josep del Hoyo, David Christie, and Nigel Collar
Version: 2.0 — Published May 13, 2022

Plumages, Molts, and Structure

Plumages

The following descriptions apply to the nominate subspecies. The other subspecies is described under Systematics: Geographic Variation.

Juvenile

Has dull dusky-green forehead and lacks dark on face. Has paler yellow flanks than adults and narrower rectrices (5).

Adult

Female. Has forehead, lores, and a streak under eye-ring black, extending over anterior part of crown and merging with green nape; eye-ring white, rather narrow, broken at front by black spot; upperparts dark yellowish olive-green, rump yellower; wingtips and tail dusky brownish; throat and underparts yellowish olive-green, becoming almost pure lemon-yellow on center of belly and undertail coverts.

Male. Similar to female, but on average brighter, more yellowish.

Molts

Of three specimens of Zosterops fuscicapilla fuscicapilla collected in February, one was molting both primaries and rectrices, another one showed only molt of its forehead feathers, and the third had no signs of molt. Another specimen collected in April and two in October had no signs of molt, while a third specimen from October was molting its primaries (6). No further information available.

Bare Parts

Bill

Dark gray to blackish, basal half of mandible light gray (7); orange in juveniles.

Iris

Reddish-brown to dark brown in nominate subspecies (5, 7), silver gray in Zosterops fuscicapilla crookshanki (4).

Tarsi and Toes

Tarsi and toes are gray (7).

Measurements

Linear Measurements

Wing length

Zosterops fuscicapilla fuscicapilla: male 61 mm (n = 1) (7); male 60.5 mm (range 59–62, n = 10), female 60 mm (range 58–62, n = 10) (8); both sexes 58.62 mm (range 57–61, n = 17) (6).

Zosterops fuscicapilla crookshanki: female 60.5 mm ± 0 SD (n = 2) (9).

Tail Length

Zosterops fuscicapilla fuscicapilla: male 41 mm (n = 1) (7); both sexes 36.81 mm (range 35–39.5, n = 17) (6).

Zosterops fuscicapilla crookshanki: female 42.25 mm ± 1.77 SD (n = 2) (range: 41–43.5, n = 2) (9).

Tarsus Length

Zosterops fuscicapilla crookshanki: female 17.25 mm ± 0.35 SD (range: 17–17.5, n = 2) (9); both sexes 16.30 mm (range 16–17.5, n = 15) (6).

Mass

Zosterops fuscicapilla fuscicapilla: male 11.2 g (n = 1) (7); male 10.8 g ± 0.29 SD (range 10.5–11, n = 3) (10).

Recommended Citation

García, N. C., B. van Balen, J. del Hoyo, D. A. Christie, and N. Collar (2022). Capped White-eye (Zosterops fuscicapilla), version 2.0. In Birds of the World (S. M. Billerman and B. K. Keeney, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.capwhe3.02