The Inca tern is a species of bird in the family Gullaceae, the genus Tern. The body length is between 39-42 cm and the wingspan can reach 80 cm. Weight 180-210 g (average 189 g in captivity).
Most of the body of the Inca tern is dark grey; their tails are black, their wings are gray, and the back of the wings has a distinctive white banded stripe that folds all the way to the tip of the black tail.
The Inca terns had bright red beaks; they had a small yellow feather under their eyes, and a long, curly band of white feathers that extended from under the eyes to the bottom of their necks.
The legs of the Inca tern are shorter and dark red. Until they grow white bands of feathers (whiskers) when they are about 2 years old.
Inca terns prey mainly on small fish on the surface of the water, and their foraging method is to jump into the water, dive for food, and also float on the surface of the water to catch fish; sometimes they will cling to fishing boats in groups, circling around them.
Inca terns inhabit mainly rocky shores or cliffs around sandy beaches.
Groups of Inca terns make a variety of very loud calls, similar to "meow" or "cluck".
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