Belcher's Gull vs Heermann's Gull
Larus belcheri compared with Larus heermanni
Side-by-Side Comparison
| Attribute | Belcher's Gull | Heermann's Gull |
|---|---|---|
| Scientific Name | Larus belcheri | Larus heermanni |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Near Threatened |
| Length | — | — |
| Wingspan | 73.0 cm (28.7 in) | 67.2 cm (26.5 in) |
| Weight | 642.5 g (22.66 oz) | 448.26666666666665 g (15.81 oz) |
| Diet | -- | -- |
| Clutch Size | 1-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Belcher's Gull
Near Threatened
Heermann's Gull
About These Birds
Belcher's Gull
Belcher's Gull, 49–52 cm, is endemic to the Humboldt Current coast of Peru and northern Chile. Black mantle, white body, yellow bill with red and black band. Piscivore and scavenger; closely associated with fishing ports and anchovy-rich upwelling waters. Resident along its narrow coastal range.
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.