Hyacinth Visorbearer vs Allen's Hummingbird
Augastes scutatus 비교 대상 Selasphorus sasin
Side-by-Side Comparison
| 속성 | Hyacinth Visorbearer | Allen's Hummingbird |
|---|---|---|
| 학명 | Augastes scutatus | Selasphorus sasin |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 10.7 cm (4.2 in) | 8.1 cm (3.2 in) |
| 체중 | 3.3 g (0.12 oz) | 3.1500000000000004 g (0.11 oz) |
| 식성 | 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 … |
| 산란 수 | 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.
보전 상태
Hyacinth Visorbearer
Allen's Hummingbird
How to Tell Them Apart
Hyacinth Visorbearer
Velvet-purple Coronet: brilliant velvety purple head; glittering green gorget; iridescent purple body; white underparts; straight bill
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Hyacinth Visorbearer
특히 미나스 제라이스 주를 포함한 브라질 남동부 고지대에 고유한 소형 벌새(8~9cm)입니다. 빛나는 히아신스 파란 이마 챙과 녹색 깃털이 특징입니다. 드문 식생이 있는 바위 캄포 루페스트레 서식지의 꿀을 먹습니다. 준위협(NT) 종으로 분류됩니다.
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.