Greater crested tern
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The greater crested tern, also called crested tern or swift tern, is a tern in the family Laridae that nests in dense colonies on coastlines and islands in the tropical and subtropical Old World. Wikipedia
Scientific name: Thalasseus bergii
Conservation status: Least Concern (Population stable)
Mass: 12 oz
Class: Aves
Order: Charadriiformes
Family: Laridae
Genus: Thalasseus
Source: Encyclopedia of Life