Slaty-backed Gull vs Aleutian Tern
Larus schistisagus comparado con Onychoprion aleuticus
Side-by-Side Comparison
| Atributo | Slaty-backed Gull | Aleutian Tern |
|---|---|---|
| Nombre científico | Larus schistisagus | Onychoprion aleuticus |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Vulnerable |
| Longitud | — | — |
| Envergadura | 87,0 cm (34.3 in) | 52,4 cm (20.6 in) |
| Peso | 1280,5 g (45.17 oz) | 104,88 g (3.70 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Slaty-backed Gull only
Ninguno
Aleutian Tern only
Estado de conservación
Least Concern
Slaty-backed Gull
Vulnerable
Aleutian Tern
About These Birds
Slaty-backed Gull
La gaviota de Slaty es una gaviota grande de espalda oscura que habita en costas del norte del Pacífico, desde Rusia hasta el norte de Japón.
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.