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10

American Herring Gull

(Larus smithsonianus)
Alternate name(s): "Smithsonian Gull" (race "smithsonianus")
German name(s): "Kanadamöwe"

Size: 60-66 cm (male), 53-62 cm (female); wing span: 1.20-1.55 m
Weight: 1.05-1.65 kg (male), 0.6-0.9 kg (female)

Similar species

Description     Classification     Distribution     Sightings     Photos     Breeding     Nest     Eggs     Behaviour     Food     Call/s

Physical description

Click here for a physical description

Taxonomy, classification

See American Herring Gull at Wikipedia .

Range, habitat, finding this species

Click here for information on habitat and range

Sightings

Click here for sighting information

Photos

Race "smithsonianus"

ADULT

Sex unknown

BREEDING

Lateral view of an American Herring Gull in breeding plumage; note the pale-grey upperparts
(photo courtesy of G. Pinelas)
[Port of Sesimbra, Setubal, Portugal, April 2017]

Lateral view of an American Herring Gull in breeding plumage, with in the background a number of second and third calendar year Lesser Black-backed Gulls (photo courtesy of G. Pinelas)
[Port of Sesimbra, Setubal, Portugal, April 2017]

Lateral view of an American Herring Gull in breeding plumage, with in the background a number of second and third calendar year Lesser Black-backed Gulls (photo courtesy of G. Pinelas)
[Port of Sesimbra, Setubal, Portugal, April 2017]

NON-BREEDING

Lateral view of an American Herring Gull in non-breeding plumage, centre, amongst other gulls - the grey blotches on head and neck are indicative of eclipse plumage (photo courtesy of G. Pinelas)
[Port of Sesimbra, Setubal, Portugal, January 2019]

Lateral view of an American Herring Gull in non-breeding plumage stretching a wing - note the pattern of primary spots
(photo courtesy of G. Pinelas)
[Port of Sesimbra, Setubal, Portugal, February 2018]

Lateral view of an American Herring Gull in non-breeding plumage stretching a wing and a leg - note the pattern of primary spots (photo courtesy of G. Pinelas)
[Port of Sesimbra, Setubal, Portugal, February 2019]

These pages are largely based on our own observations and those of our contributors. The structure of these bird pages is explained HERE. For more salient facts on any bird species please refer to a field guide.

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