Küstenseeschwalbe vs Chinese Crested Tern
Sterna paradisaea verglichen mit Thalasseus bernsteini
Side-by-Side Comparison
| Merkmal | Küstenseeschwalbe | Chinese Crested Tern |
|---|---|---|
| Wissenschaftlicher Name | Sterna paradisaea | Thalasseus bernsteini |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Critically Endangered |
| Länge | 34,0 cm (13.4 in) | — |
| Flügelspannweite | 80,0 cm (31.5 in) | 63,8 cm (25.1 in) |
| Gewicht | 110,0 g (3.88 oz) | 280,0 g (9.88 oz) |
| Ernährung | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | -- |
| Gelegegröße | 2-3 | 1 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Gemeinsame Lebensräume
Küstenseeschwalbe only
Chinese Crested 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.
Chinese Crested 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.
Chinese Crested Tern
Erhaltungsstatus
Küstenseeschwalbe
Chinese Crested 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
Chinese Crested 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.
Chinese Crested Tern
Chinese Crested Tern is Critically Endangered, fewer than 50 individuals known. Breeding sites on small rocky islands off eastern China; winters in Southeast Asia. Orange bill with yellow tip, black crest. Extremely similar to Greater Crested Tern; often overlooked in mixed colonies. Piscivore; plunge-dives.