Heermann's Gull vs Arctic Herring Gull
Larus heermanni dibandingkan dengan Larus smithsonianus
Side-by-Side Comparison
| Atribut | Heermann's Gull | Arctic Herring Gull |
|---|---|---|
| Nama Ilmiah | Larus heermanni | Larus smithsonianus |
| Ordo | Charadriiformes | Charadriiformes |
| Famili | Laridae | Laridae |
| Status Konservasi | Near Threatened | Least Concern |
| Panjang | — | — |
| Rentang Sayap | 67,2 cm (26.5 in) | 85,9 cm (33.8 in) |
| Berat | 448,26666666666665 g (15.81 oz) | 1108,0 g (39.08 oz) |
| Diet | -- | -- |
| Ukuran Sarang | 1-2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Habitat Bersama
Heermann's Gull only
None
Arctic Herring Gull only
Status Konservasi
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.