Family Tits and Chickadees (Paridae)

Endangered

Izu Tit (Sittiparus owstoni)


Taxonomy

French: Mésange d’Owston German: Izuinseln-Buntmeise Spanish: Carbonero de las Izu
Other common names: Owston's Tit
Taxonomy:

Parus Owstoni

Ijima

, 1893,

Miyake, Izu Islands

.

Recently split from S. varius#R. Differs from S. olivaceus and S. castaneoventris in characters given under those species; from S. varius by slightly larger size but markedly larger bill (effect size for males 5.87, score 3); lack of buffy-white on central breast (2); all-rufous frons and lores to ear-coverts, including nuchal stripe (often lacking) (3); slightly darker dorsal grey (1); and lower-pitched whistle lacking burry quality (at least 1) plus typically 1–2 high-pitched notes vs 2–3 in nominate (allow 1). Monotypic.

What do (1) and (2) mean? Learn more about the scoring system.
Distribution:

S Izu Is (Miyake, Mikura, Hachijo).

Descriptive notes

[Content coming soon]

Status and conservation

ENDANGERED. Restricted-range species, endemic to Izu Islands EBA. Restricted to three islands, this species has a small range and an estimated Area of Occupancy of 130 km².... read more

Recommended citation

del Hoyo, J., Collar, N. & Sharpe, C.J. (2018). Izu Tit (Sittiparus owstoni). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/1343864 on 18 January 2018).