Racket-tipped Thorntail vs Allen's Hummingbird
Discosura longicaudus 비교 대상 Selasphorus sasin
Side-by-Side Comparison
| 속성 | Racket-tipped Thorntail | Allen's Hummingbird |
|---|---|---|
| 학명 | Discosura longicaudus | Selasphorus sasin |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 8.6 cm (3.4 in) | 8.1 cm (3.2 in) |
| 체중 | 3.35 g (0.12 oz) | 3.1500000000000004 g (0.11 oz) |
| 식성 | Nectarivore of Amazonian forest canopy. Forages at Inga and other legume flowers; supplements with small … | 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
Racket-tipped Thorntail
Melodic, ascending scale of clear notes; bright flute-like tones climbing smoothly, characteristic of morning territorial song.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Racket-tipped Thorntail
Found in humid lowland forest from Colombia and Venezuela east through the Guianas and Amazonian Brazil. 0–600 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
Racket-tipped Thorntail
Allen's Hummingbird
How to Tell Them Apart
Racket-tipped Thorntail
Greenish Puffleg: males brilliant metallic green; glittering blue gorget; white flanks; white leg puffs; females green above with spots
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Racket-tipped Thorntail
수컷은 독특한 라켓 모양 끝을 가진 연장된 외부 꼬리 깃털을 가진 7–8cm(수컷은 긴 꼬리 라켓 포함) 소형 벌새로 베네수엘라에서 기아나를 거쳐 아마존까지 습윤 저지림에 서식한다. 삼림 수관부에서 꿀을 먹는다.
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.