Küstenseeschwalbe vs Fairy Tern

Sterna paradisaea verglichen mit Sternula nereis

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Side-by-Side Comparison

Merkmal Küstenseeschwalbe Fairy Tern
Wissenschaftlicher Name Sterna paradisaea Sternula nereis
Ordnung Charadriiformes Charadriiformes
Familie Laridae Laridae
Erhaltungsstatus Least Concern Vulnerable
Länge 34,0 cm (13.4 in)
Flügelspannweite 80,0 cm (31.5 in) 35,6 cm (14.0 in)
Gewicht 110,0 g (3.88 oz) 68,5 g (2.42 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
Fairy Tern
Flügelspannweite
Küstenseeschwalbe 80,0 cm
Fairy Tern 35,6 cm
Gewicht
Küstenseeschwalbe 110,0 g
Fairy Tern 68,5 g
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Habitat Comparison

Gemeinsame Lebensräume

Küstenseeschwalbe only

Fairy 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.

Fairy 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.

Fairy Tern

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Erhaltungsstatus

Least Concern

Küstenseeschwalbe

Vulnerable

Fairy 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

Fairy 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.

Fairy Tern

Fairy Tern, 22–25 cm, breeds in southern Australia, New Zealand, and New Caledonia on sandy beaches. White and pale grey with an orange-yellow bill; delicate and buoyant in flight. Piscivore; hovers and plunge-dives in shallow coastal and estuarine waters. Vulnerable due to beach disturbance.

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Related Comparisons

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