White-winged Tern vs Aleutian Tern
Chlidonias leucopterus verglichen mit Onychoprion aleuticus
Side-by-Side Comparison
| Merkmal | White-winged Tern | Aleutian Tern |
|---|---|---|
| Wissenschaftlicher Name | Chlidonias leucopterus | Onychoprion aleuticus |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Vulnerable |
| Länge | — | — |
| Flügelspannweite | 41,6 cm (16.4 in) | 52,4 cm (20.6 in) |
| Gewicht | 60,5 g (2.13 oz) | 104,88 g (3.70 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
White-winged Tern only
Aleutian Tern only
Erhaltungsstatus
Least Concern
White-winged Tern
Vulnerable
Aleutian Tern
About These Birds
White-winged Tern
White-winged Tern, 20–23 cm, breeds in wetlands from Eastern Europe to Central Asia and winters in sub-Saharan Africa, South Asia, and Australia. Breeding male: jet-black body contrasting with white wings. Insectivore; dips over marshes and rice paddies. Long-distance migrant.
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.