Laughing Gull vs Aleutian Tern
Larus atricilla verglichen mit Onychoprion aleuticus
Side-by-Side Comparison
| Merkmal | Laughing Gull | Aleutian Tern |
|---|---|---|
| Wissenschaftlicher Name | Larus atricilla | Onychoprion aleuticus |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Vulnerable |
| Länge | — | — |
| Flügelspannweite | 59,7 cm (23.5 in) | 52,4 cm (20.6 in) |
| Gewicht | 307,3333333333333 g (10.84 oz) | 104,88 g (3.70 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Laughing Gull
Vulnerable
Aleutian Tern
About These Birds
Laughing Gull
Laughing Gull, 36–41 cm, is a medium-sized gull of Atlantic and Caribbean coasts, with a distinctive laughing call. Breeding adult has a full black hood, dark red bill. Omnivore; follows fishing boats, scavenges at beaches, steals prey from Brown Pelicans. Migratory; winters to northern South America.
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.