Order: Charadriiformes | Family: Laridae | IUCN Status: Least Concern
Age: Adult, basic | Sex: Unknown | Loc. Huacarpay, Cusco
Age: Adult, basic | Sex: Unknown | Loc. North America
Age: Adult, basic | Sex: Unknown | Loc. North America
Age: Adult, alternate| Sex: Unknown | Loc. North America
Status: The Black Tern is a rare Boreal migrant mostly to pelagic waters of Peru during the months of October through April. It seldom forages on coastal bodies of water and appears to be a vagrant in the Andes. It also occurs in Co, Ec, Br, and Ch.
Name in Spanish: Gaviotín Negro.
Sub-species: Black Tern (Chlidonias niger surinamensis), J. F. Gmelin 1789.
Meaning of Name: Chlidonias: Gr. khelidön, khelidonios= swallow, like a swallow. niger: Gr. black.

References:
-
- Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. http://fm2.fieldmuseum.org/uw_test/birdsofperu on 01/01/2015.