Buff-tailed Sicklebill vs Allen's Hummingbird
Eutoxeres condamini เปรียบเทียบกับ Selasphorus sasin
Side-by-Side Comparison
| คุณสมบัติ | Buff-tailed Sicklebill | Allen's Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Eutoxeres condamini | Selasphorus sasin |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 13.7 cm (5.4 in) | 8.1 cm (3.2 in) |
| น้ำหนัก | 9.98 g (0.35 oz) | 3.1500000000000004 g (0.11 oz) |
| อาหาร | Nectar and arthropod feeder; hovers to extract nectar from pendant flowers and snatches small insects … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buff-tailed Sicklebill
Sharp, scratchy chip note repeated rapidly; dry staccato delivery with rough texture, audible during competitive interactions.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Buff-tailed Sicklebill
Found in the eastern Andes from Colombia and Ecuador south to Bolivia at 400–1,500 m. Resident in forest undergrowth at Heliconia flowers.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
สถานะการอนุรักษ์
Buff-tailed Sicklebill
Allen's Hummingbird
How to Tell Them Apart
Buff-tailed Sicklebill
Green-bronze upperparts; buff and dark brown heavily streaked underparts; buff-tipped tail feathers; strongly sickle-shaped curved bill; sexes similar; buff tail tips distinguish from White-tipped Sicklebill; Andean foothills specialist.
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Buff-tailed Sicklebill
A medium-sized hummingbird (12-14 cm) with a strongly decurved bill for feeding on curved tropical flowers. Green plumage with a buff-tipped tail. Found in Andean foothill forests from Colombia to Bolivia. A specialized nectarivore of Heliconia and related plants.
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.