Bonaparte's Gull vs Aleutian Tern
Larus philadelphia comparado con Onychoprion aleuticus
Side-by-Side Comparison
| Atributo | Bonaparte's Gull | Aleutian Tern |
|---|---|---|
| Nombre científico | Larus philadelphia | Onychoprion aleuticus |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Vulnerable |
| Longitud | — | — |
| Envergadura | 51,9 cm (20.4 in) | 52,4 cm (20.6 in) |
| Peso | 204,575 g (7.22 oz) | 104,88 g (3.70 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Bonaparte's Gull only
Ninguno
Aleutian Tern only
Ninguno
Estado de conservación
Least Concern
Bonaparte's Gull
Vulnerable
Aleutian Tern
About These Birds
Bonaparte's Gull
Bonaparte's Gull, 28–30 cm, is North America's smallest Larus gull, breeding in boreal forests near lakes and wintering on both coasts. Breeding adult has a black hood; underwing shows white triangular flash. Planktivore and piscivore; buoyant, tern-like flight. Migratory; forms large winter flocks.
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.