Ring-billed Gull Larus delawarensis Ord, 1815

Order: Charadriiformes Family: Laridae Status: Vagrant to Madeira

Larus delawarensis Biometrics

Wingspan: 120 - 130 cm (Beaman & Madge, 2011)
Total length: 43 - 47 cm (Beaman & Madge, 2011)
Weight: 500 g (Cardona & Esteban, 2002)

Status

Madeira local status by Romano et al, 2010: Occasional
Madeira local status by Zino et al, 1995: Occasional
Conservation status by the IUCN Red List Categories, 2013: Least Concern ver 3.1

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