Iceland Gull vs Heermann's Gull
Larus glaucoides comparé à Larus heermanni
Side-by-Side Comparison
| Attribut | Iceland Gull | Heermann's Gull |
|---|---|---|
| Nom scientifique | Larus glaucoides | Larus heermanni |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Near Threatened |
| Longueur | — | — |
| Envergure | 79,2 cm (31.2 in) | 67,2 cm (26.5 in) |
| Poids | 911,5 g (32.15 oz) | 448,26666666666665 g (15.81 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Iceland Gull
Near Threatened
Heermann's Gull
About These Birds
Iceland Gull
Iceland Gull, 50–64 cm, breeds in Greenland and winters on both sides of the North Atlantic to Great Lakes. White wing tips (like Glaucous Gull but considerably smaller), pink orbital ring. Omnivore; scavenges at harbours and landfills in winter. Two subspecies often treated as separate species.
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.