Deep Forest Canopy
Species Radar
Ducks, Geese, and Waterfowl

Brazilian Merganser

Mergus octosetaceus

The Brazilian merganser 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 and Czechia. It has a long, sharp-edged beak with a great number of tooth-like edges.

Where are you looking?

Select a tracking region above to ping the eBird database and reveal live hotspots for the Brazilian Merganser.

Low-Light Telephoto Systems

Identifying specific features of the Brazilian Merganser requires high-contrast magnification. Check out the top-rated 8x42 optics.

View Pro Optics

Expedition Prep

Targeting the Brazilian Merganser?

Build a custom travel itinerary around these hotpot clusters using our trip planning suite.

Open Planner