Burung laut (Seabirds)
Eastern Bluebird
Sialia sialis
- epik
- 100 km/h
- Risiko rendah
Nearly vanished from nest-box loss, then came roaring back. A small blue resurrection delivering mail.
- Populasi
- ~23 million mature individuals, increasing (~2%/year, ~11% increase over the past decade)
- Habitat
- Open woodlands, farmlands, orchards, pastures, agricultural fields, and suburban parks/backyards/golf courses with sparse ground cover and scattered perches; strongly favors nest-box-friendly open country
- Fakta menarik
- The Eastern Bluebird is the state bird of both Missouri and New York and is featured on Bermuda's two-dollar bill.
- Sebaran
- Eastern and central North America, east of the Rockies from southern Canada south through the eastern/central U.S. and Gulf states; also southeastern Arizona through Mexico and Central America to Nicaragua, plus Bermuda; range has expanded westward across the Great Plains over the past century
- Makanan
- Roughly two-thirds insects and invertebrates (grasshoppers, crickets, katydids, beetles, caterpillars, spiders, earthworms), roughly one-third wild fruits and berries in fall/winter (sumac, holly, dogwood, honeysuckle, juniper)
- Ukuran
- 0,185 m
- Bentang sayap
- 0,285 m
- Masa hidup
- 3 tahun
