Tres Marias Hummingbird vs Rufous-booted Racket-tail
Cynanthus lawrencei 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Tres Marias Hummingbird | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Cynanthus lawrencei | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Near Threatened | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 10.0 cm (3.9 in) | — |
| 체중 | 3.05 g (0.11 oz) | 3.0 g (0.11 oz) |
| 식성 | Feeds on nectar from Tres Marias Island flowers; diet supplemented with small insects and spiders … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 산란 수 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Tres Marias Hummingbird
Pure, sustained whistle with bell-like clarity; single clear note ringing out then slowly fading in air.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Tres Marias Hummingbird
Endemic to the Tres Marías Islands off the Pacific coast of western Mexico. Resident in tropical deciduous forest.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Tres Marias Hummingbird
Rufous-booted Racket-tail
About These Birds
Tres Marias Hummingbird
9–10 cm의 중형 벌새로 멕시코 서부 해안의 트레스 마리아스 제도 고유종. 녹색 깃털. 최근 넓은부리벌새에서 분리되었다. 섬의 열대 낙엽림에서 꿀을 먹는다. 매우 분포 제한적인 섬 고유종.
Rufous-booted Racket-tail
A small hummingbird (8-10 cm plus tail rackets) found in Andean cloud forests of southeastern Peru and Bolivia at 1,200-2,200 m. Males have rufous leg puffs instead of white. Recently split from Booted Racket-tail. Nectarivore of montane forest undergrowth.