Short-billed Gull vs Aleutian Tern
Larus brachyrhynchus verglichen mit Onychoprion aleuticus
Side-by-Side Comparison
| Merkmal | Short-billed Gull | Aleutian Tern |
|---|---|---|
| Wissenschaftlicher Name | Larus brachyrhynchus | Onychoprion aleuticus |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Not Evaluated | Vulnerable |
| Länge | — | — |
| Flügelspannweite | — | 52,4 cm (20.6 in) |
| Gewicht | 395,0 g (13.93 oz) | 104,88 g (3.70 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
Short-billed Gull only
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Aleutian Tern only
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Erhaltungsstatus
Not Evaluated
Short-billed Gull
Vulnerable
Aleutian Tern
About These Birds
Short-billed Gull
Short-billed Gull, 40–45 cm, breeds in interior Alaska and western Canada, wintering on the Pacific coast. Recently split from Common Gull; slightly smaller with a shorter bill and more rounded head. Omnivore; often inland on grasslands and agricultural fields during migration. 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.