Hyacinth Visorbearer vs Allen's Hummingbird
Augastes scutatus so với Selasphorus sasin
Side-by-Side Comparison
| Thuộc Tính | Hyacinth Visorbearer | Allen's Hummingbird |
|---|---|---|
| Tên Khoa Học | Augastes scutatus | Selasphorus sasin |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 10,7 cm (4.2 in) | 8,1 cm (3.2 in) |
| Khối Lượng | 3,3 g (0.12 oz) | 3,1500000000000004 g (0.11 oz) |
| Chế Độ Ăn | Nectarivore of Brazilian cerrado flowers, particularly Vellozia and Qualea. Catches small insects near rocky outcrops. | 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
Hyacinth Visorbearer
Soft, pure sustained tone with gentle vibrato; single melodic note trembling slightly, typical of quiet upland forest perches.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Hyacinth Visorbearer
Endemic to the campo rupestre of the Espinhaço Range in Minas Gerais, Brazil. Found at 900–1,600 m elevation.
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
Hyacinth Visorbearer
Allen's Hummingbird
About These Birds
Hyacinth Visorbearer
A small hummingbird (8-9 cm) endemic to the highlands of southeastern Brazil, particularly Minas Gerais. Iridescent hyacinth-blue forehead visor and green plumage. Nectarivore of rocky campo rupestre habitats with sparse vegetation. Classified as Near Threatened.
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.