Mature males' throat pouches allow them to make loud calls.

They catch multiple small fish by expanding the throat pouch, which must be drained above the water surface before swallowing.

The sides of the face are white, and there is a bright red inflatable throat pouch.

Upon surfacing they spill the water from the throat pouch before swallowing their catch.

The frigatebird provides an example of the latter, with its inflated throat pouch.

A throat pouch extended from about the middle of the lower jaw to the upper part of the neck.

The impression of the neck is relatively short and shows signs of a throat pouch.

Very large birds with throat pouches in which they catch and store fish while hunting.

Fallert made a sound by sucking air into his throat pouch.

Pelicans are well known for the large throat pouch they have attached to their lower...