Mexican Sheartail vs Rufous-booted Racket-tail
Doricha eliza 비교 대상 Ocreatus addae
Side-by-Side Comparison
| 속성 | Mexican Sheartail | Rufous-booted Racket-tail |
|---|---|---|
| 학명 | Doricha eliza | Ocreatus addae |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Near Threatened | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 7.7 cm (3.0 in) | — |
| 체중 | 2.5 g (0.09 oz) | 3.0 g (0.11 oz) |
| 식성 | Nectarivore of dry scrub and coastal dunes, visiting Agave and Ipomoea flowers. Supplements with insects … | 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
Mexican Sheartail
Melodic, three-note ascending call; pure warm tones stepping upward smoothly, given clearly from tall perch.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Mexican Sheartail
Endemic to the Yucatán Peninsula of Mexico and Cozumel Island. Classified as Near Threatened due to habitat destruction.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
보전 상태
Mexican Sheartail
Rufous-booted Racket-tail
How to Tell Them Apart
Mexican Sheartail
Xantus's Hummingbird: males with glittering green gorget; metallic green above; rufous tail; cinnamon underparts; sexually dimorphic
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Mexican Sheartail
8–9 cm의 소형 벌새로 멕시코 유카탄 반도·코수멜 섬 고유종. 수컷은 연장된 가늘고 긴 외부 꼬리 깃털을 가진다. 해안 관목지와 정원에서 꿀을 먹는다. 제한된 분포에서의 서식지 파괴로 준위협으로 분류.
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.