Allen's Hummingbird vs Pale-tailed Barbthroat
Selasphorus sasin 비교 대상 Threnetes leucurus
Side-by-Side Comparison
| 속성 | Allen's Hummingbird | Pale-tailed Barbthroat |
|---|---|---|
| 학명 | Selasphorus sasin | Threnetes leucurus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 8.1 cm (3.2 in) | 11.5 cm (4.5 in) |
| 체중 | 3.1500000000000004 g (0.11 oz) | 5.42 g (0.19 oz) |
| 식성 | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … | Primarily nectarivore; uses its strongly hooked bill to probe for nectar in curved flowers; eats … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Pale-tailed Barbthroat
Rapid, buzzing trill with insect-like quality; sustained high-frequency vibration followed by softer descending notes.
Geographic Range & Migration
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Pale-tailed Barbthroat
Found in the Amazon basin and Guiana Shield from Venezuela and the Guianas south to Peru and Bolivia. Resident in humid forest interior.
보전 상태
Allen's Hummingbird
Pale-tailed Barbthroat
How to Tell Them Apart
Allen's Hummingbird
Pale-tailed Barbthroat
Bronze-green upperparts; pale greyish-buff underparts; dark malar stripe; tail pale buff-white with dark subterminal band; lacks the strong black banding of Band-tailed Barbthroat; Amazonian species with paler tail pattern.
About These Birds
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.
Pale-tailed Barbthroat
창백꼬리지느러미벌새는 아마존 유역과 기아나 지방의 열대 저지대 숲에 서식하는 소형 벌새입니다. 녹색 등과 흰 꼬리 끝이 특징이며, 숲 내부의 꽃, 특히 진저 계열 식물의 꿀을 선호합니다.