Black-throated Mango vs Rufous-booted Racket-tail
Anthracothorax nigricollis เปรียบเทียบกับ Ocreatus addae
Side-by-Side Comparison
| คุณสมบัติ | Black-throated Mango | Rufous-booted Racket-tail |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anthracothorax nigricollis | Ocreatus addae |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Not Evaluated |
| ความยาว | — | — |
| กว้างปีก | 13.3 cm (5.2 in) | — |
| น้ำหนัก | 7.333333333333333 g (0.26 oz) | 3.0 g (0.11 oz) |
| อาหาร | Nectarivore of humid lowland and foothill forests; aggressive territory holder at flowering shrubs. Takes insects … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
ไม่มี
Black-throated Mango only
ไม่มี
Rufous-booted Racket-tail only
Song & Call Comparison
Black-throated Mango
Soft, pure whistle with melancholy quality; single sustained tone with gentle fall at end, given at dawn and dusk.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Black-throated Mango
Widespread from Trinidad and Panama south through Colombia and Venezuela to Bolivia, Brazil, and the Guianas. 0–1,200 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
สถานะการอนุรักษ์
Black-throated Mango
Rufous-booted Racket-tail
How to Tell Them Apart
Black-throated Mango
Violet-throated Starfrontlet: males with glittering violet-purple gorget; metallic green body; females green above with pale buff spotted below
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
Black-throated Mango
A large hummingbird (12-13 cm) widely distributed from Panama through South America to Argentina. Males have a velvety black throat bordered by blue-green. Long, curved bill. Nectarivore of forest edges, gardens, plantations, and open country. One of the most adaptable mangos.
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.