Charrán Ártico vs Emú
Sterna paradisaea comparado con Dromaius novaehollandiae
Side-by-Side Comparison
| Atributo | Charrán Ártico | Emú |
|---|---|---|
| Nombre científico | Sterna paradisaea | Dromaius novaehollandiae |
| Orden | Charadriiformes | Casuariiformes |
| Familia | Laridae | Dromaiidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | 34,0 cm (13.4 in) | 175,0 cm (68.9 in) |
| Envergadura | 80,0 cm (31.5 in) | 20,0 cm (7.9 in) |
| Peso | 110,0 g (3.88 oz) | 45000,0 g (1587.33 oz) |
| Dieta | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … |
| Tamaño de la puesta | 2-3 | 5-24 |
| 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.
Emú
Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.
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.
Emú
Deep, resonant booming grunt 'e-moo', often repeated 3 times. Females give a deep drumming call produced by an inflatable throat pouch. Generally low-pitched and far-carrying.
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.
Emú
Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.
Estado de conservación
Charrán Ártico
Emú
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
Emú
Shaggy grey-brown plumage with double-shafted feathers giving a loose, hair-like appearance. Bare blue skin on the face and neck.
Broad, flat, dark grey bill
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 …
Emú
Emú, 150-190 cm, hasta 60 kg. Segunda ave más grande del mundo. Plumaje pardo grisáceo, alas vestigiales, poderosas patas con tres dedos. Endémico de Australia. Omnívoro. Macho incuba y cuida las crías. Preocupación menor.