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Black Tern

Chlidonias niger ORDER: CHARADRIIFORMES FAMILY: LARIDAE

IUCN Conservation Status: Least Concern

A small dark, graceful tern of freshwater marshes, the Black Tern eats insects as well as fish.

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At a GlanceHelp

Measurements
Both Sexes
Length
9.1–10.2 in
23–26 cm
Wingspan
22.4–23.6 in
57–60 cm
Weight
1.8–2.1 oz
50–60 g
Other Names
  • Guifette noire (French)
  • Gaviotin negro, Charrán negro, Fumarel negro (Spanish)

Cool Facts

  • The Black Tern is very social. It breeds in loose colonies and usually forages, roosts,and migrates in flocks of a few to more than 100 birds, occasionally up to tens of thousands.

Habitat


Marsh

Food


Insects

Nesting

Nest Placement

Floating

Behavior


Aerial Dive

Conservation

status via IUCN

Least Concern

Populations declining, especially at southern edge of range.

Credits

  • Dunn, E. H., and D. J. Agro. 1995. Black Tern (Chlidonias niger). In The Birds of North America, No. 147 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, and The American Ornithologists' Union, Washington, D.C.

Range Map Help

Black Tern Range Map
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