Cuervo Americano vs Martín Pescador Común
Corvus brachyrhynchos comparado con Alcedo atthis
Side-by-Side Comparison
| Atributo | Cuervo Americano | Martín Pescador Común |
|---|---|---|
| Nombre científico | Corvus brachyrhynchos | Alcedo atthis |
| Orden | Passeriformes | Coraciiformes |
| Familia | Corvidae | Alcedinidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | 45,0 cm (17.7 in) | 17,0 cm (6.7 in) |
| Envergadura | 99,0 cm (39.0 in) | 25,0 cm (9.8 in) |
| Peso | 450,0 g (15.87 oz) | 36,0 g (1.27 oz) |
| Dieta | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Small fish, aquatic insects, and crustaceans. Hunts from a low perch over water, diving headfirst … |
| Tamaño de la puesta | 3-7 | 3-10 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Hábitats compartidos
Cuervo Americano only
Martín Pescador Común only
Cuervo Americano
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Martín Pescador Común
Clear, slow-flowing rivers, streams, lakes, and ponds with suitable perching and nesting banks. Requires clean water with good fish populations.
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.
Martín Pescador Común
A sharp, penetrating 'chee' whistle given in flight, often the first indication of its presence. Short, shrill single note as it darts low over rivers. Contact call is a rippling …
Geographic Range & Migration
Cuervo Americano
North America from southern Canada through the United States to northern Mexico.
Martín Pescador Común
Widespread across Europe, Asia, and North Africa. Northern populations migrate south in winter.
Estado de conservación
Cuervo Americano
Martín Pescador Común
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
Martín Pescador Común
Brilliant electric blue upperparts and orange underparts. Blue-green crown with darker barring. White throat patch and cheek spots. A flash of blue in flight.
Long, straight, dagger-like dark bill — orange base on the lower mandible in females
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.
Martín Pescador Común
Martín pescador común (Alcedo atthis) — Una de las aves más coloridas de Europa: azul y verde metálico en el dorso y naranja en el vientre. Habita en ríos y lagos de aguas claras. Captura peces lanzándose en picado. Símbolo del buen estado ecológico del agua.