 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (January 2009) |
| Brazilian merganser | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Anseriformes |
| Family: | Anatidae |
| Genus: | Mergus |
| Species: | M. octosetaceus
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| Binomial name | |
| Mergus octosetaceus Vieillot, 1817
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The Brazilian merganser (Mergus octosetaceus) is a South American diving duck in the Mergus genus. It is one of the most threatened waterfowl species in the world, with possibly fewer than 250 birds in the wild and a small number kept in captivity in Brazil.[1] It has a long, sharp-edged beak with a great number of tooth-like edges.
- ^ a b BirdLife International (2019). "Mergus octosetaceus". IUCN Red List of Threatened Species. 2019: e.T22680482A143756439. doi:10.2305/IUCN.UK.2019-3.RLTS.T22680482A143756439.en. Retrieved 12 November 2021.