Scaly-sided Merganser Mergus squamatus

Family: Anatidae (Ducks, Geese, Swans)

Authority: Gould, 1864

Red List Category

Criteria: C2a(ii)

Click here for more information about the Red List categories and criteria

Justification of Red List category
This species has a very small population which is suspected to be undergoing a continuing and rapid decline as a result of habitat loss, illegal hunting and disturbance. It is therefore listed as Endangered. This species may warrant a downlisting in the future but this will depend on a robust understanding of the threats on the status of the breeding population.

Population size: 2400-4500 mature individuals

Population trend: decreasing

Extent of occurrence (breeding/resident): 731,000 km2

Country endemic: no

Land-mass type - continent
Realm - Indomalayan
Realm - Palearctic
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2023) Species factsheet: Mergus squamatus. Downloaded from http://datazone.birdlife.org/species/factsheet/scaly-sided-merganser-mergus-squamatus on 09/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 09/12/2023.