Andean Teal illustration
Birdsong field guide

Andean Teal

Anas andium

A small, high-altitude dabbling duck characterized by its greyish-brown mottled plumage and dark bill. It was formerly classified as a subspecies of the Yellow-billed Teal but is now recognized as a distinct species.

What it sounds like

Males emit a thin, high-pitched whistle; females produce a sharp, dry, and rapid series of quacks.

Reference call, compare with what you heard
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Rec. Ross Gallardy · ColombiaCC BY-NC-SAXeno-canto

Field notes

  • Possesses a dark slate-grey or blackish bill, distinguishing it from the bright yellow-billed nominate species.
  • Highly adapted to extreme elevations, frequently inhabiting the Puna and Páramo zones up to 4,500 meters.
  • Displays a dark green speculum on the wing that is bordered by conspicuous white or buffy bands.
  • Unlike many temperate waterfowl, it is largely sedentary and does not perform long-distance migrations.
  • Taxonomic recognition as a full species was based on distinct morphological differences and genetic divergence from the Yellow-billed Teal.
Habitat
High-altitude freshwater lakes, marshes, and slow-moving alpine streams.
Range
Northern and central Andes, including Venezuela, Colombia, Ecuador, and Peru.

Similar & commonly confused birds

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