Arctic Tern vs European Herring Gull
Sterna paradisaea comparado com Larus argentatus
Side-by-Side Comparison
| Atributo | Arctic Tern | European Herring Gull |
|---|---|---|
| Nome científico | Sterna paradisaea | Larus argentatus |
| Ordem | Charadriiformes | Charadriiformes |
| Família | Laridae | Laridae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 34,0 cm (13.4 in) | — |
| Envergadura | 80,0 cm (31.5 in) | 86,2 cm (33.9 in) |
| Peso | 110,0 g (3.88 oz) | 1110,0 g (39.15 oz) |
| Dieta | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | -- |
| Tamanho da postura | 2-3 | 2-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
Arctic Tern only
European Herring Gull only
Arctic Tern
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
Arctic Tern
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.
European Herring Gull
Geographic Range & Migration
Arctic Tern
Breeds in the Arctic and sub-Arctic. Migrates to the Antarctic, experiencing two summers per year. Found on every ocean.
European Herring Gull
Estado de conservação
Arctic Tern
European Herring Gull
How to Tell Them Apart
Arctic Tern
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
European Herring Gull
About These Birds
Arctic Tern
The Arctic tern holds the record for the longest known migration of any animal, traveling roughly 70,000 km annually from Arctic to Antarctic and back. Over its 30-year lifespan, it may fly the equivalent of three round trips to the Moon. This remarkable bird experiences more daylight than any other creature on Earth.
European Herring Gull
A gaivota-prateada é uma das gaivotas mais comuns do hemisfério norte, com manto cinzento e pernas rosadas, encontrada em costas, lagos e aterros sanitários.