Photo 1 of 6
(c) David Yeany, some rights reserved (CC BY-NC)
Photo 2 of 6
(c) Oscar Thomas, some rights reserved (CC BY-NC)
Photo 3 of 6
(c) Ómar Runólfsson, some rights reserved (CC BY)
Photo 4 of 6
(c) Sunil Bhavsar, all rights reserved
Photo 5 of 6
(c) Eduard I. Vatutin, some rights reserved (CC BY-NC)
Photo 6 of 6
(c) Steven Mlodinow, some rights reserved (CC BY-NC)

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Black Tern

Chlidonias niger

Worldwide: 20,402 observations
Group: Birds

About

The black tern (Chlidonias niger) is a small tern generally found in or near inland water in Europe and North America. As its name suggests, it has predominantly dark plumage. In some lights it can appear blue in the breeding season, hence the old English name "blue darr".The genus name is from Ancient Greek khelidonios, "swallow-like", from khelidon, "swallow": another old English name for the black tern is "carr (i.e. lake) swallow". The species name is...

Summary from Wikipedia, CC BY-SA 4.0.

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