Black Tern Chlidonias niger (Linnaeus, 1758)

Order: Charadriiformes Family: Laridae Status: Vagrant to Madeira

Black Tern Chlidonias niger

Chlidonias niger Biometrics

Wingspan: 64 - 68 cm (Beaman & Madge, 2011)
Total length: 22 - 24 cm (Beaman & Madge, 2011)
Weight: 50 - 75 g (Hume, 2002)

Black Tern Chlidonias niger

Black Tern Chlidonias niger

Status

Madeira local status by Romano et al, 2010: Exceptional
Madeira local status by Zino et al, 1995: Exceptional
Conservation status by the IUCN Red List Categories, 2016: Least Concern ver 3.1

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