Izu Tit Sittiparus owstoni

Family: Paridae (Tits and chickadees)

Authority: (Ijima, 1893)

Red List Category

Criteria: B1ab(ii,iii,v)+2ab(ii,iii,v)

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Justification of Red List category
This species has a very small range, split into three separate subpopulations. This species is considered to be declining as a result of habitat loss, and may also be being threatened by invasive species. Therefore, the species is precautionarily listed as Endangered, though further information regarding the impact of threats on the species may mean this warrants revising in the future.

Population size: 2900-3600 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 1,100 km2

Country endemic: yes

Recommended citation
BirdLife International (2023) Species factsheet: Sittiparus owstoni. Downloaded from http://datazone.birdlife.org/species/factsheet/izu-tit-sittiparus-owstoni on 06/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 06/12/2023.