Petirrojo Americano vs Emú
Turdus migratorius comparado con Dromaius novaehollandiae
Side-by-Side Comparison
| Atributo | Petirrojo Americano | Emú |
|---|---|---|
| Nombre científico | Turdus migratorius | Dromaius novaehollandiae |
| Orden | Passeriformes | Casuariiformes |
| Familia | Turdidae | Dromaiidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | 25,0 cm (9.8 in) | 175,0 cm (68.9 in) |
| Envergadura | 36,0 cm (14.2 in) | 20,0 cm (7.9 in) |
| Peso | 77,0 g (2.72 oz) | 45000,0 g (1587.33 oz) |
| Dieta | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … |
| Tamaño de la puesta | 2-4 | 5-24 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Petirrojo Americano
Lawns, parks, gardens, farmland, and forest edges. One of the most familiar birds in suburban North America.
Emú
Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.
Song & Call Comparison
Petirrojo Americano
A clear, caroling song of 2-3 note phrases: 'cheerily, cheer-up, cheerio'. Sings from dawn perches. Sharp 'tut-tut-tut' alarm call and thin 'seeee' flight note.
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
Petirrojo Americano
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.
Emú
Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.
Estado de conservación
Petirrojo Americano
Emú
How to Tell Them Apart
Petirrojo Americano
Dark grey-brown upperparts with a warm brick-red breast and belly. White eye-ring and streaked white throat. Female slightly paler.
Bright yellow bill with a dark tip
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
Petirrojo Americano
El petirrojo americano (Turdus migratorius) es un tordo de tamaño mediano con el pecho naranja rojizo característico y la cabeza negra. Es una especie muy familiar en jardines y parques de toda Norteamérica. Migratorio parcialmente, señala la llegada de la primavera en muchas regiones. Familia Turdidae.
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.