Cuervo Americano vs Emú
Corvus brachyrhynchos comparado con Dromaius novaehollandiae
Side-by-Side Comparison
| Atributo | Cuervo Americano | Emú |
|---|---|---|
| Nombre científico | Corvus brachyrhynchos | Dromaius novaehollandiae |
| Orden | Passeriformes | Casuariiformes |
| Familia | Corvidae | Dromaiidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | 45,0 cm (17.7 in) | 175,0 cm (68.9 in) |
| Envergadura | 99,0 cm (39.0 in) | 20,0 cm (7.9 in) |
| Peso | 450,0 g (15.87 oz) | 45000,0 g (1587.33 oz) |
| Dieta | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … |
| Tamaño de la puesta | 3-7 | 5-24 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Cuervo Americano
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Emú
Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.
Song & Call Comparison
Cuervo Americano
Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.
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
Cuervo Americano
North America from southern Canada through the United States to northern Mexico.
Emú
Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.
Estado de conservación
Cuervo Americano
Emú
How to Tell Them Apart
Cuervo Americano
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
Straight, sturdy black bill smaller than a raven's
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
Cuervo Americano
El cuervo americano (Corvus brachyrhynchos) es un córvido grande, totalmente negro, ampliamente distribuido en Norteamérica. Altamente inteligente y adaptable, habita en bosques, zonas agrícolas y entornos urbanos. Omnívoro con capacidades para resolver problemas y hábitos sociales complejos. Familia Corvidae.
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.