Animalia > Chordata > Aves > Anseriformes > Anatidae > Mergus > Mergus octosetaceus

Mergus octosetaceus (Brazilian Merganser)

Wikipedia Abstract

The Brazilian merganser (Mergus octosetaceus) is a duck in the typical merganser genus.It is one of the six most threatened waterfowl in the world with possibly fewer than 250 birds in the wild and currently 4 kept in captivity at 2 different Brazilian locations. The origin of its name is from its long, sharp-edged beak that has a great number of teeth-looking edges.
View Wikipedia Record: Mergus octosetaceus

Endangered Species

Status: Critically Endangered
View IUCN Record: Mergus octosetaceus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
53
 Unique & Vulnerable (100)
ED Score: 3.09457
EDGE Score: 4.18225
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  1.433 lbs (650 g)
Diet [2]  Carnivore (Invertebrates), Piscivore
Diet - Fish [2]  60 %
Diet - Invertibrates [2]  40 %
Forages - Underwater [2]  100 %
Clutch Size [1]  7
Incubation [1]  33 days

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Alta Paraná Atlantic forests Brazil, Paraguay, Argentina Neotropic Tropical and Subtropical Moist Broadleaf Forests
Araucaria moist forests Brazil Neotropic Tropical and Subtropical Moist Broadleaf Forests
Campos Rupestres montane savanna Brazil Neotropic Tropical and Subtropical Grasslands, Savannas, and Shrublands
Cerrado Brazil, Bolivia, Paraguay Neotropic Tropical and Subtropical Grasslands, Savannas, and Shrublands

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Parque Nacional Iguazú National Park II 115949 Argentina  
Pouso Alto State Environmental Protection Area 2154759 Goiás, Brazil      

Important Bird Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Atlantic Forest Argentina, Brazil, Paraguay, Uruguay No
Cerrado Brazil No

Prey / Diet

Astyanax fasciatus (Mexican tetra)[1]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Egretta tricolor (Tricolored Heron)1

Range Map

External References

Citations

Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0