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Brazilian Merganser

A species of Typical mergansers
Scientific name : Mergus octosetaceus Genus : Typical mergansers

Brazilian Merganser, A species of Typical mergansers
Botanical name: Mergus octosetaceus
Genus: Typical mergansers
Content

Description

Brazilian Merganser (Mergus octosetaceus) Photo By Dubi Shapiro

Description

This merganser is a dark, slender duck with a shiny dark-green hood with a long crest, which is usually shorter and more worn-looking in females. Upperparts are dark grey while the breast is light grey, getting paler toward the whitish belly, and a white wing patch is particularly noticeable in flight. It has a long thin jagged black bill with red feet and legs. Although females are smaller with a shorter bill and crest, both sexes are alike in color. The slender ducks range in size from 49 centimeters to 56 centimeters as an adult. Young Brazilian mergansers are mainly black with white throat and breast. The Brazilian mergansers are generally silent birds, but may make barking calls in certain situations. Four calls have been recorded. A harsh krack-krack acts as an alarm call emitted in flight. Males make a barking dog-like call, females make a harsh rrr-rrrr and the contact call ia a soft rak-rak-rak. Ducklings give a high pitched ik-ik-ik.
Size
56 cm
Habitat
The slender Brazilian mergansers live in low densities in remote and mountainous regions where it inhabits clean rivers and streams with river rapids and riparian vegetation. Brazilian mergansers are very territorial birds defending large stretches of river and the land surrounding the fast-flowing water. They are recognized as a resident species that does not abandon the watercourses where it established its territory. They do not move or want to move once their habitats have disappeared. The birds need large territories and their habitat is fast dwindling.
Dite type
Piscivorous
Brazilian Merganser (Mergus octosetaceus) Brazilian Merganser (Mergus octosetaceus) Photo By Dubi Shapiro

Scientific Classification

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