Küstenseeschwalbe vs Yellow-billed Tern
Sterna paradisaea verglichen mit Sternula superciliaris
Side-by-Side Comparison
| Merkmal | Küstenseeschwalbe | Yellow-billed Tern |
|---|---|---|
| Wissenschaftlicher Name | Sterna paradisaea | Sternula superciliaris |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | 34,0 cm (13.4 in) | — |
| Flügelspannweite | 80,0 cm (31.5 in) | 33,8 cm (13.3 in) |
| Gewicht | 110,0 g (3.88 oz) | 47,800000000000004 g (1.69 oz) |
| Ernährung | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | -- |
| Gelegegröße | 2-3 | 2-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Gemeinsame Lebensräume
Küstenseeschwalbe only
Yellow-billed Tern only
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Küstenseeschwalbe
Breeds on coastal and tundra habitats. Spends most of its life at sea over the open ocean. Nests in colonies on beaches and rocky shores.
Song & Call Comparison
Küstenseeschwalbe
A sharp, grating 'kree-yah' alarm call. Also gives 'kik-kik-kik' near the nest. Highly aggressive vocally during the Arctic breeding season. Calls are harsh and insistent.
Yellow-billed Tern
Geographic Range & Migration
Küstenseeschwalbe
Breeds in the Arctic and sub-Arctic. Migrates to the Antarctic, experiencing two summers per year. Found on every ocean.
Yellow-billed Tern
Erhaltungsstatus
Küstenseeschwalbe
Yellow-billed Tern
How to Tell Them Apart
Küstenseeschwalbe
Pale grey upperparts, white underparts with a black cap. Blood-red bill and short red legs. Deeply forked tail streamers. Winter adults lose the full black cap.
Slender, pointed, bright red bill
Yellow-billed Tern
About These Birds
Küstenseeschwalbe
Die Küstenseeschwalbe hält den Rekord für die längste bekannte Wanderung im Tierreich und legt jährlich rund 70.000 km zwischen Arktis und Antarktis und zurück zurück. Über ihre rund 30 Lebensjahre hinweg fliegt sie damit rechnerisch das Äquivalent von drei Rundreisen zum Mond. Dieser bemerkenswerte Vogel erlebt mehr Tageslicht als jedes andere Lebewesen der Erde.
Yellow-billed Tern
Yellow-billed Tern, 22–24 cm, is a freshwater tern of the Amazon and Orinoco river systems in South America. Yellow bill and legs, grey back, black cap. Piscivore; hovers over rivers and lakes, diving for small fish. Resident year-round along major tropical waterways.