Whiskered Tern vs Aleutian Tern
Chlidonias hybrida comparé à Onychoprion aleuticus
Side-by-Side Comparison
| Attribut | Whiskered Tern | Aleutian Tern |
|---|---|---|
| Nom scientifique | Chlidonias hybrida | Onychoprion aleuticus |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Vulnerable |
| Longueur | — | — |
| Envergure | 46,4 cm (18.3 in) | 52,4 cm (20.6 in) |
| Poids | 84,5 g (2.98 oz) | 104,88 g (3.70 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Whiskered Tern
Vulnerable
Aleutian Tern
About These Birds
Whiskered Tern
Whiskered Tern, 23–25 cm, is a marsh tern breeding from Europe and Africa to Asia and Australia. Breeding plumage: dark grey below, black cap, red bill. Forages over freshwater marshes, dipping for insects and small fish. Short-distance migrant; winters in sub-Saharan Africa and South Asia.
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.