Heermann's Gull vs Sabine's Gull
Larus heermanni dibandingkan dengan Xema sabini
Side-by-Side Comparison
| Atribut | Heermann's Gull | Sabine's Gull |
|---|---|---|
| Nama Ilmiah | Larus heermanni | Xema sabini |
| Ordo | Charadriiformes | Charadriiformes |
| Famili | Laridae | Laridae |
| Status Konservasi | Near Threatened | Least Concern |
| Panjang | — | — |
| Rentang Sayap | 67,2 cm (26.5 in) | 53,0 cm (20.9 in) |
| Berat | 448,26666666666665 g (15.81 oz) | 182,16666666666666 g (6.43 oz) |
| Diet | -- | -- |
| Ukuran Sarang | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Status Konservasi
Near Threatened
Heermann's Gull
Least Concern
Sabine'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.
Sabine's Gull
Sabine's Gull, 27–32 cm, is an elegant small gull breeding in Arctic tundra and wintering in the Humboldt and Benguela Current upwellings. Striking tricoloured wing pattern — dark primaries, grey secondaries, white inner wing. Long-distance migrant; crosses equator twice annually. Planktivore and piscivore.