Otus otus Biometrics

Wingspan: 90 - 100 cm (Beaman & Madge, 2011)
Total length: 35 - 37 cm (Beaman & Madge, 2011)
Weight: 210 - 330 g (Hume, 2002)

Status

Madeira local status by Correia-Fagundes et al, 2021: Very rare breeding bird
Madeira local status by Romano et al, 2010: Dubious record
Madeira local status by Zino et al, 1995: Dubious record
Conservation status by the IUCN Red List Categories, 2013: Least Concern ver 3.1