Charrán Ártico vs Cabot's Tern
Sterna paradisaea comparado con Thalasseus acuflavidus
Side-by-Side Comparison
| Atributo | Charrán Ártico | Cabot's Tern |
|---|---|---|
| Nombre científico | Sterna paradisaea | Thalasseus acuflavidus |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Least Concern | Not Evaluated |
| Longitud | 34,0 cm (13.4 in) | — |
| Envergadura | 80,0 cm (31.5 in) | — |
| Peso | 110,0 g (3.88 oz) | 220,25 g (7.77 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
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.
Cabot's 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.
Cabot's Tern
Estado de conservación
Charrán Ártico
Cabot's 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
Cabot's 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 …
Cabot's Tern
Cabot's Tern, 36–41 cm, closely resembles Sandwich Tern and was recently split; breeds along Atlantic and Gulf coasts of North America, wintering to South America. Black cap, yellow-tipped black bill. Coastal piscivore; plunge-dives in shallow bays and lagoons.