Charrán Ártico vs White-fronted Tern
Sterna paradisaea comparado con Sterna striata
Side-by-Side Comparison
| Atributo | Charrán Ártico | White-fronted Tern |
|---|---|---|
| Nombre científico | Sterna paradisaea | Sterna striata |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Near Threatened |
| Longitud | 34,0 cm (13.4 in) | — |
| Envergadura | 80,0 cm (31.5 in) | 54,8 cm (21.6 in) |
| Peso | 110,0 g (3.88 oz) | 131,5 g (4.64 oz) |
| Dieta | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | -- |
| Tamaño de la puesta | 2-3 | 1-2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Hábitats compartidos
Charrán Ártico only
White-fronted Tern only
Ninguno
Charrán Ártico
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
Charrán Ártico
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.
White-fronted Tern
Geographic Range & Migration
Charrán Ártico
Breeds in the Arctic and sub-Arctic. Migrates to the Antarctic, experiencing two summers per year. Found on every ocean.
White-fronted Tern
Estado de conservación
Charrán Ártico
White-fronted Tern
How to Tell Them Apart
Charrán Ártico
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
White-fronted Tern
About These Birds
Charrán Ártico
El charrán ártico realiza la migración más larga de todos los animales, viajando cada año entre sus zonas de reproducción árticas y sus zonas de invernada antárticas, con una ida y vuelta de más de 70.000 km. Gracias a esta ruta, experimenta más horas de luz solar al año que cualquier otra criatura. Pequeño y ágil, pesa unos 100 g y se caracteriza por su pico y patas de color rojo sangre. Defiende agresivamente sus colonias de cría, llegando a …
White-fronted Tern
White-fronted Tern, 35–43 cm, is New Zealand's most common tern, breeding on coastal and riverine sites throughout the islands. White forehead contrasts with black cap; orange-red bill. Piscivore; hovers and plunge-dives in coastal waters and off river mouths. Winters on Australian coasts.