Aethia psittacula (Pallas, 1769)

Taxonomy and Size

The parakeet auklet, scientifically named Aethia psittacula (Pallas, 1769), is a small auk that reaches approximately 23 centimeters in length.

Bill Characteristics

It has a short, upturned orange bill that gives the bird a distinctive unusual facial expression. The upturned shape of the beak has been observed to provide two advantages: it helps the bird pick up small food pieces from the sea bottom, and it assists in breaking apart larger food items.

Plumage Features

The parakeet auklet has dark plumage on its upper body and white plumage on its lower body, with a single white feather plume extending backward from the area around its eye. There is only small difference between the species' breeding plumage and winter plumage.

Nesting Vocalization Behavior

At nesting sites, the parakeet auklet is a highly vocal species. It calls as soon as it arrives at the nest, and then performs a duet when its mate arrives.

Call Types

It produces a series of rhythmic hoarse calls, which are similar to the calls of Cassin's auklet, as well as a quavering squeal.

Call Function Hypotheses

The function of these calls is not confirmed, but it has been suggested they may help the bird defend its burrow from intruders and strengthen the pair bond with its mate.