Clangula hyemalis Biometrics

Wingspan: 73 - 79 cm (Beaman & Madge, 2011)
Total length: 36 - 60 cm (Beaman & Madge, 2011)
Weight: 520 - 950 g (Hume, 2002)

Status

Madeira local status by Correia-Fagundes et al, 2021: Exceptional
Madeira local status by Romano et al, 2010: Only 1 record
Madeira local status by Zino et al, 1995: Only 1 record
Conservation status by the IUCN Red List Categories, 2013: Vulnerable A4bce ver 3.1