Pacific Gull vs Aleutian Tern
Larus pacificus verglichen mit Onychoprion aleuticus
Side-by-Side Comparison
| Merkmal | Pacific Gull | Aleutian Tern |
|---|---|---|
| Wissenschaftlicher Name | Larus pacificus | Onychoprion aleuticus |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Vulnerable |
| Länge | — | — |
| Flügelspannweite | 88,8 cm (35.0 in) | 52,4 cm (20.6 in) |
| Gewicht | 1232,5 g (43.48 oz) | 104,88 g (3.70 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Pacific Gull
Vulnerable
Aleutian Tern
About These Birds
Pacific Gull
Pacific Gull, 58–66 cm, is Australia's largest gull, resident on southern and western coasts. Massive yellow and red bill capable of cracking mollusc shells by dropping them from height. White body, black mantle and wings. Omnivore; forages on rocky shores and beaches. Slow-maturing; takes 4 years for adult plumage.
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.