Amethyst Woodstar vs Allen's Hummingbird
Calliphlox amethystina so với Selasphorus sasin
Side-by-Side Comparison
| Thuộc Tính | Amethyst Woodstar | Allen's Hummingbird |
|---|---|---|
| Tên Khoa Học | Calliphlox amethystina | Selasphorus sasin |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 7,0 cm (2.8 in) | 8,1 cm (3.2 in) |
| Khối Lượng | 2,9 g (0.10 oz) | 3,1500000000000004 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore visiting small flowers at forest edges and clearings; insect-like flight. Catches tiny flies and … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Amethyst Woodstar
High, crystalline notes in ascending phrase; clear bright musical tones climbing smoothly in lively morning song.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Amethyst Woodstar
Widespread in open habitats from Bolivia and Brazil south to Argentina, Paraguay, and Uruguay. Sea level to 1,200 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Tình Trạng Bảo Tồn
Amethyst Woodstar
Allen's Hummingbird
How to Tell Them Apart
Amethyst Woodstar
Buff-breasted Sabrewing: males with glittering purple gorget; metallic bronze-green above; buff underparts; females green above; spots
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Amethyst Woodstar
A tiny hummingbird (7-8 cm) found in humid forests from eastern Colombia and Venezuela through Amazonia to Brazil, Bolivia, and Argentina. Males have an amethyst-purple throat. Nectarivore of forest edges and clearings. One of the most widespread woodstars.
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.