Blue Jay vs White-necked Raven
Cyanocitta cristata comparado com Corvus albicollis
Side-by-Side Comparison
| Atributo | Blue Jay | White-necked Raven |
|---|---|---|
| Nome científico | Cyanocitta cristata | Corvus albicollis |
| Ordem | Passeriformes | Passeriformes |
| Família | Corvidae | Corvidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 28,0 cm (11.0 in) | — |
| Envergadura | 42,0 cm (16.5 in) | 83,4 cm (32.8 in) |
| Peso | 87,0 g (3.07 oz) | 962,0 g (33.93 oz) |
| Dieta | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | -- |
| Tamanho da postura | 2-7 | 2-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Song & Call Comparison
Blue Jay
A harsh, ringing 'jaay-jaay-jaay'. Also mimics Red-tailed Hawk and other species convincingly. Gives soft, liquid 'bell' calls and gurgling whispers in flocks.
White-necked Raven
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
White-necked Raven
Estado de conservação
Blue Jay
White-necked Raven
How to Tell Them Apart
Blue Jay
Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.
Stout, straight black bill
White-necked Raven
About These Birds
Blue Jay
The blue jay is a bold, intelligent member of the corvid family known for its striking plumage and loud calls. Blue jays are important dispersers of oak trees, as they cache thousands of acorns each autumn. Their complex social behavior includes mimicking the calls of hawks to scare other birds from feeders.
White-necked Raven
Corvo-de-pescoço-branco (Corvus albicollis) — Grande corvo da África Oriental com mancha branca característica no pescoço. Habita montanhas e penhascos rochosos da Etiópia ao Cabo. Planeia com maestria em correntes térmicas ao longo de encostas rochosas. Alimenta-se de carniça, frutos e diversos itens. Voz profunda e rouca.