Cocos Flycatcher Nesotriccus ridgwayi

Family: Tyrannidae (Tyrant-flycatchers)

Authority: Townsend, 1895

Red List Category

Criteria: D2

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Justification of Red List category
This species is listed as Vulnerable because it has a very small range. Introduced herbivores are degrading habitat within its range, but it appears to tolerate some habitat modification and there is (as yet) no evidence of a decline in range or population.

Population size: 6000-15000

Population trend: Stable

Extent of occurrence (breeding/resident): 30 km2

Country endemic: Yes

Land-mass type - oceanic island
Realm - Neotropical
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2020) Species factsheet: Nesotriccus ridgwayi. Downloaded from on 09/07/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from on 09/07/2020.