Küstenseeschwalbe vs Elegant Tern

Sterna paradisaea verglichen mit Thalasseus elegans

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Side-by-Side Comparison

Merkmal Küstenseeschwalbe Elegant Tern
Wissenschaftlicher Name Sterna paradisaea Thalasseus elegans
Ordnung Charadriiformes Charadriiformes
Familie Laridae Laridae
Erhaltungsstatus Least Concern Near Threatened
Länge 34,0 cm (13.4 in)
Flügelspannweite 80,0 cm (31.5 in) 59,3 cm (23.3 in)
Gewicht 110,0 g (3.88 oz) 236,16666666666666 g (8.33 oz)
Ernährung Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. --
Gelegegröße 2-3 1-2
Population Trend
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Size Comparison

Body Length
Küstenseeschwalbe 34,0 cm
Elegant Tern
Flügelspannweite
Küstenseeschwalbe 80,0 cm
Elegant Tern 59,3 cm
Gewicht
Küstenseeschwalbe 110,0 g
Elegant Tern 236,16666666666666 g
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Habitat Comparison

Gemeinsame Lebensräume

Küstenseeschwalbe only

Elegant 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.

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Song & Call Comparison

Küstenseeschwalbe

Gesang

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.

Elegant Tern

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Geographic Range & Migration

Küstenseeschwalbe

Breeds in the Arctic and sub-Arctic. Migrates to the Antarctic, experiencing two summers per year. Found on every ocean.

Elegant Tern

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Erhaltungsstatus

Least Concern

Küstenseeschwalbe

Near Threatened

Elegant Tern

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How to Tell Them Apart

Küstenseeschwalbe

Gefieder

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.

Schnabel

Slender, pointed, bright red bill

Elegant Tern

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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.

Elegant Tern

Elegant Tern, 39–43 cm, breeds in a few large colonies on islands off Baja California and winters along Pacific coasts of South America. Long, drooping orange bill, shaggy black crest. Piscivore; dependent on Northern Anchovy and Pacific Sardine. Near Threatened; highly colonial breeder.

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Related Comparisons

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