Andean Avocet

Overview

The Andean avocet (Recurvirostra andina) is a large wader in the avocet and stilt family, Recurvirostridae. It is a resident species in the Andes, classified as Least Concern on the IUCN Red List.

Identification

• White head, neck, underparts, and rump contrast with a dark brown back, wings, and tail.
• Large size of 43–48 cm in length, appearing slightly bulkier than the American avocet.
• Features a long, thin black bill that is upturned at the end, along with thin grey legs that are shorter than those of other avocet species.
• Sexes are similar in appearance, though juvenile plumage is undescribed.

Habitat

This non-migratory species lives in the Andes, specifically in northwestern Argentina, western Bolivia, northern Chile, and southern Peru. It breeds at altitudes above 3500 m near shallow, preferably alkaline lakes, though it may move to slightly lower elevations outside the breeding season.

Diet

The Andean avocet forages in shallow water or on mud flats, sweeping its bill from side to side to find prey. Its diet consists primarily of crustaceans and insects.

Did you know?

With an average body mass of 361 g, it is likely the heaviest species in the entire Recurvirostridae family.