CRCritically Endangered
Brazilian Merganser
Mergus octosetaceus
Declining
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Brazilian_merganser
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Habitat
Forest· majorSavanna· majorWetlands (inland)· majorWetlands (inland) - Permanent rivers/streams· major
Conservation measures underway
Site/area protectionSpecies managementSpecies recoveryEx-situ conservationFormal educationAwareness & communicationsLegislationLinked enterprises & livelihood alternatives
Other threatened species in ANATIDAE
Threatened in Argentina
Frequently asked questions
Why is Brazilian Merganser classified as Critically Endangered?
Brazilian Merganser is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range, per the IUCN Red List assessment recorded in the SpeciesRadar database.
Where does Brazilian Merganser live?
Brazilian Merganser occurs in Argentina, Brazil, and Paraguay. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Brazilian Merganser?
The main threats to Brazilian Merganser are 1.1, 2.1, 3.2, and 3.3. The full IUCN-classified threat record for this species is detailed on the species page.
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