Mediterranean Gull vs Forster's Tern

Larus melanocephalus compared with Sterna forsteri

Side-by-Side Comparison

Attribute Mediterranean Gull Forster's Tern
Scientific Name Larus melanocephalus Sterna forsteri
Order Charadriiformes Charadriiformes
Family Laridae Laridae
Conservation Status Least Concern Least Concern
Length
Wingspan 60.5 cm (23.8 in) 50.5 cm (19.9 in)
Weight 282.5 g (9.96 oz) 151.25 g (5.34 oz)
Diet -- --
Clutch Size 1-5 2-3
Population Trend

Habitat Comparison

Shared Habitats

Mediterranean Gull only

Forster's Tern only

None

Conservation Status

Least Concern

Mediterranean Gull

Least Concern

Forster's Tern

About These Birds

Mediterranean Gull

Mediterranean Gull, 36–38 cm, has expanded dramatically since the 1970s, breeding across Europe from the Black Sea to Britain. Pure white body, jet-black hood in breeding plumage — the only gull with entirely white wingtips. Piscivore and invertivore; nests in colonies, often with Black-headed Gulls.

Forster's Tern

Forster's Tern, 33–36 cm, breeds in interior North American marshes and winters along both US coasts and into Mexico. Distinctive frosted silver upperparts and orange-based bill. In non-breeding plumage, shows a black eye-mask. Piscivore; hovers and plunge-dives in coastal bays and lagoons.

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