Purple-throated Carib vs Black-backed Thornbill
Eulampis jugularis so với Ramphomicron dorsale
Side-by-Side Comparison
| Thuộc Tính | Purple-throated Carib | Black-backed Thornbill |
|---|---|---|
| Tên Khoa Học | Eulampis jugularis | Ramphomicron dorsale |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Near Threatened |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 14,3 cm (5.6 in) | 11,0 cm (4.3 in) |
| Khối Lượng | 9,316666666666666 g (0.33 oz) | 3,5 g (0.12 oz) |
| Chế Độ Ăn | Nectarivore of Caribbean island forests; bill adapted to visit Heliconia and Brugmansia. Takes small arthropods … | Nectarivore of high montane scrub and páramo; short bill suits small compact flowers. Gleans tiny … |
| Số Trứng | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Purple-throated Carib only
Không
Black-backed Thornbill only
Song & Call Comparison
Purple-throated Carib
Thin, sibilant twittering with airy quality; light high notes cascading softly in relaxed sequence near flowers.
Black-backed Thornbill
Soft, sibilant hissing trill; gentle continuous buzz with slight pulsing quality during slow hover near blossoms.
Geographic Range & Migration
Purple-throated Carib
Found throughout the Lesser Antilles from Saba to Grenada. Prefers mature forest and flowering trees. Sea level to 800 m.
Black-backed Thornbill
Endemic to the Sierra Nevada de Santa Marta, Colombia, in high-elevation scrub and páramo. 1,800–3,500 m. Found nowhere else.
Tình Trạng Bảo Tồn
Purple-throated Carib
Black-backed Thornbill
How to Tell Them Apart
Purple-throated Carib
Turquoise-throated Puffleg: iridescent violet crown; glittering turquoise gorget; metallic green back; white leg puffs; females duller
Black-backed Thornbill
Coppery Emerald (alt): males with glittering purple-magenta gorget; metallic green above; white pectoral tufts; females spotted below
About These Birds
Purple-throated Carib
A medium-sized hummingbird (11-12 cm) endemic to the Lesser Antilles from Saba to St. Vincent. Males have iridescent purple throat and green body. Nectarivore of montane forest and gardens. Larger and more aggressive than Green-throated Carib, dominating flower territories.
Black-backed Thornbill
A tiny hummingbird (7-8 cm) endemic to the Santa Marta Mountains of northern Colombia at 3,000-4,600 m. Dark back, tiny bill, and white underparts. Nectarivore of high-altitude páramo. Classified as Vulnerable due to restricted mountain-top habitat.