Junin Grebe illustration
Birdsong field guide

Junin Grebe

Podiceps taczanowskii

The Junin Grebe is a critically endangered, flightless waterbird endemic to a single high-altitude lake in the Peruvian Andes. It is a highly specialized diver characterized by its striking red eyes and inability to fly.

What it sounds like

A high-pitched, melodic whistling 'pui-pui' or 'huui-huui' used during social interactions.

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

Field notes

  • It is completely flightless, having evolved in a stable environment where migration was unnecessary.
  • The species is found exclusively on Lake Junín, located at an elevation of approximately 4,080 meters.
  • Population levels are critically low, often numbering fewer than 300 individuals due to mining pollution and water level fluctuations.
  • Their courtship involves complex, synchronized aquatic displays known as 'rushing' and 'ghosting'.
  • Its diet is highly specialized, consisting primarily of Orestias pupfish endemic to the lake.
Habitat
Large, open alkaline lakes with extensive fringing reed beds (Schoenoplectus californicus).
Range
Lake Junín (Lake Chinchaycocha), central Peru.

Similar & commonly confused birds

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