EN
Ashy Storm-petrel Hydrobates homochroa



Family: Hydrobatidae (Northern Storm-petrels)

Authority: (Coues, 1864)

Red List Category

Criteria: A2ce+3ce

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Justification of Red List category
This Storm-petrel qualifies as Endangered because studies suggest that its small population may be declining very rapidly over three generations (48 years) owing to a variety of threats.



Population size: 3500-6700 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 434,000 km2

Country endemic: no

Attributes
Land-mass type - shelf island
Land-mass type - oceanic island
Realm - Nearctic
Realm - Neotropical
USFWS - Bird of Conservation Concern
IUCN System - Terrestrial
IUCN System - Marine

Recommended citation
BirdLife International (2024) Species factsheet: Ashy Storm-petrel Hydrobates homochroa. Downloaded from https://datazone.birdlife.org/species/factsheet/ashy-storm-petrel-hydrobates-homochroa on 19/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 19/12/2024.