Bronze-tailed Thornbill vs Allen's Hummingbird
Chalcostigma heteropogon 비교 대상 Selasphorus sasin
Side-by-Side Comparison
| 속성 | Bronze-tailed Thornbill | Allen's Hummingbird |
|---|---|---|
| 학명 | Chalcostigma heteropogon | Selasphorus sasin |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 14.1 cm (5.6 in) | 8.1 cm (3.2 in) |
| 체중 | 5.65 g (0.20 oz) | 3.1500000000000004 g (0.11 oz) |
| 식성 | Nectarivore of high Andean grasslands and shrublands; visits Ericaceae and Gentianaceae blooms. Gleans tiny arthropods. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bronze-tailed Thornbill
Deep, hollow churring with resonant bass; prolonged low buzzing audible at range through open forest edge.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Bronze-tailed Thornbill
Found in high Andean grassland and scrub from Venezuela through Colombia to Ecuador at 2,800–4,200 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
보전 상태
Bronze-tailed Thornbill
Allen's Hummingbird
How to Tell Them Apart
Bronze-tailed Thornbill
Mangrove Hummingbird: tiny; males with violet gorget; metallic green above; white-spotted underparts; females green above; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Bronze-tailed Thornbill
콜롬비아에서 베네수엘라까지 안데스 구름 숲과 파라모 가장자리에 서식하는 소형 벌새 (10–11 cm). 수컷은 반짝이는 자홍-보라색 목. 꽃꿀 섭취.
Allen's Hummingbird
A small hummingbird (8-9 cm) breeding along the Pacific coast from Oregon to southern California. Males have an orange-red throat and rufous flanks. Closely related to Rufous Hummingbird. Partial migrant; some populations resident on Channel Islands. Named after Thomas Allen.