Heermann's Gull vs Pallas's Gull
Larus heermanni comparé à Larus ichthyaetus
Side-by-Side Comparison
| Attribut | Heermann's Gull | Pallas's Gull |
|---|---|---|
| Nom scientifique | Larus heermanni | Larus ichthyaetus |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Near Threatened | Least Concern |
| Longueur | — | — |
| Envergure | 67,2 cm (26.5 in) | 94,2 cm (37.1 in) |
| Poids | 448,26666666666665 g (15.81 oz) | 1413,3333333333333 g (49.85 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Near Threatened
Heermann's Gull
Least Concern
Pallas's 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.
Pallas's Gull
Pallas's Gull, 57–61 cm, is the world's largest hooded gull, breeding on Central Asian lakes and wintering in the Indian Ocean. Massive yellow bill with orange tip, black hood with white eye-crescents. Piscivore; plunge-dives and pirates food from other seabirds. Partially migratory.