Slender-billed Gull vs Heermann's Gull

Larus genei compared with Larus heermanni

Side-by-Side Comparison

Attribute Slender-billed Gull Heermann's Gull
Scientific Name Larus genei Larus heermanni
Order Charadriiformes Charadriiformes
Family Laridae Laridae
Conservation Status Least Concern Near Threatened
Length
Wingspan 60.2 cm (23.7 in) 67.2 cm (26.5 in)
Weight 285.0 g (10.05 oz) 448.26666666666665 g (15.81 oz)
Diet -- --
Clutch Size 2-3 1-2
Population Trend

Habitat Comparison

Shared Habitats

Slender-billed Gull only

Heermann's Gull only

None

Conservation Status

Least Concern

Slender-billed Gull

Near Threatened

Heermann's Gull

About These Birds

Slender-billed Gull

Slender-billed Gull, 37–40 cm, breeds in Mediterranean and Black Sea saltmarshes and lagoons, wintering on West African coasts. Distinctive long slender bill gives a front-heavy profile; white head lacking hood, pinkish-white underparts. Feeds on fish and invertebrates in shallow coastal waters.

Heermann's Gull

Heermann's Gull, 46–51 cm, is distinctive — dark grey body, white head (breeding), red bill. Breeds almost entirely on Isla Rasa in the Gulf of California, then disperses north along the Pacific coast to British Columbia. Kleptoparasite; steals fish from Brown Pelicans. Near Threatened; range highly restricted.

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