Arctic Herring Gull vs Aleutian Tern
Larus smithsonianus comparé à Onychoprion aleuticus
Side-by-Side Comparison
| Attribut | Arctic Herring Gull | Aleutian Tern |
|---|---|---|
| Nom scientifique | Larus smithsonianus | Onychoprion aleuticus |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Vulnerable |
| Longueur | — | — |
| Envergure | 85,9 cm (33.8 in) | 52,4 cm (20.6 in) |
| Poids | 1108,0 g (39.08 oz) | 104,88 g (3.70 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Arctic Herring Gull only
Aleutian Tern only
Aucun(e)
Statut de conservation
Least Concern
Arctic Herring Gull
Vulnerable
Aleutian Tern
About These Birds
Arctic Herring Gull
Arctic Herring Gull, 55–66 cm, breeds across Arctic North America and winters on all coasts of the US. Formerly lumped with European Herring Gull; darker-eyed on average, slightly more northerly range. Omnivore and scavenger; abundant at fishing ports, dumps, and beaches in winter.
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.