Gagak cerdas (Clever Corvids)
Blue Jay
Cyanocitta cristata
- umum
- 32 km/h
- Pemula
- Risiko rendah
Mimics hawk calls to clear the feeder before landing. Loud, bold, and absolutely judging your message.
- Populasi
- ~17 million mature individuals; population trend stable
- Habitat
- Mixed deciduous and coniferous woodlands (especially oak and beech stands), forest edges, parks, and suburban/residential areas with mature trees; highly adapted to human-altered landscapes and backyard feeders
- Fakta menarik
- A Blue Jay's feathers contain no blue pigment at all — the color comes from microscopic structures in the feather barbs that scatter light, so a crushed feather turns brown.
- Sebaran
- Eastern and central North America, from southern Canada through the eastern and central United States to Florida and northeastern Texas; northern/western populations partially migratory, southern populations largely resident
- Makanan
- Omnivorous; roughly 75% plant matter (acorns, nuts, seeds, berries and fruit) supplemented with insects and other arthropods, and occasionally eggs or nestlings of other birds (a minor part of the diet)
- Ukuran
- 0,26 m
- Bentang sayap
- 0,39 m
- Masa hidup
- 10 tahun
