Great Black-backed Gull vs Aleutian Tern
Larus marinus dibandingkan dengan Onychoprion aleuticus
Side-by-Side Comparison
| Atribut | Great Black-backed Gull | Aleutian Tern |
|---|---|---|
| Nama Ilmiah | Larus marinus | Onychoprion aleuticus |
| Ordo | Charadriiformes | Charadriiformes |
| Famili | Laridae | Laridae |
| Status Konservasi | Least Concern | Vulnerable |
| Panjang | — | — |
| Rentang Sayap | 95,6 cm (37.6 in) | 52,4 cm (20.6 in) |
| Berat | 1678,3333333333333 g (59.20 oz) | 104,88 g (3.70 oz) |
| Diet | -- | -- |
| Ukuran Sarang | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Habitat Bersama
Great Black-backed Gull only
None
Aleutian Tern only
None
Status Konservasi
Least Concern
Great Black-backed Gull
Vulnerable
Aleutian Tern
About These Birds
Great Black-backed Gull
Great Black-backed Gull, 61–74 cm, wingspan 142–168 cm, is the world's largest gull, breeding along North Atlantic coasts. Jet-black mantle, white body, massive yellow bill. Dominant predator among seabirds; preys on seabird chicks, puffins, rabbits, as well as scavenging. Partially migratory.
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.