Heermann's Gull vs Arctic Herring Gull
Larus heermanni comparé à Larus smithsonianus
Side-by-Side Comparison
| Attribut | Heermann's Gull | Arctic Herring Gull |
|---|---|---|
| Nom scientifique | Larus heermanni | Larus smithsonianus |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Near Threatened | Least Concern |
| Longueur | — | — |
| Envergure | 67,2 cm (26.5 in) | 85,9 cm (33.8 in) |
| Poids | 448,26666666666665 g (15.81 oz) | 1108,0 g (39.08 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1-2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Heermann's Gull only
Aucun(e)
Arctic Herring Gull only
Statut de conservation
Near Threatened
Heermann's Gull
Least Concern
Arctic Herring Gull
About These Birds
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.
Arctic Herring Gull
Arctic Herring Gull, 55–66 cm, breeds across Arctic North America and winters on all coasts of the US. Formerly lumped with European Herring Gull; darker-eyed on average, slightly more northerly range. Omnivore and scavenger; abundant at fishing ports, dumps, and beaches in winter.