Burung kicau (Songbirds)
American Goldfinch
Spinus tristis
- epik
- 72 km/h
- Risiko rendah
Molts black and lemon-yellow every spring like it owns the place. Strict vegetarian, even feeds its young thistle.
- Populasi
- ~42-47 million mature individuals globally (~44 million midpoint)
- Habitat
- Weedy fields, open floodplains, and overgrown areas rich in seed-producing plants (thistle, sunflower, aster); also cultivated land, orchards, roadsides, suburban parks, and gardens with shrubs/trees for nesting
- Fakta menarik
- The American Goldfinch is the only cardueline finch (and one of very few North American songbirds) to undergo a complete molt twice a year, trading its dull olive winter plumage for the male's brilliant yellow breeding colors each spring.
- Sebaran
- Breeds across southern Canada (southwestern Newfoundland to British Columbia, bounded north by Saskatchewan) south through the U.S. to North Carolina, central Alabama, Mississippi, Louisiana, and northern California; winters south through the U.S. into northern Mexico
- Makanan
- Almost exclusively seeds — composite-flower seeds (thistle, sunflower, aster, dandelion, ragweed), grass seeds, and tree seeds (alder, birch, elm); one of the strictest vegetarians among birds, taking insects only occasionally, mainly to feed young
- Ukuran
- 0,12 m
- Bentang sayap
- 0,205 m
- Masa hidup
- 3 tahun
