Buff-bellied Hermit vs Allen's Hummingbird
Phaethornis subochraceus เปรียบเทียบกับ Selasphorus sasin
Side-by-Side Comparison
| คุณสมบัติ | Buff-bellied Hermit | Allen's Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Phaethornis subochraceus | Selasphorus sasin |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 10.1 cm (4.0 in) | 8.1 cm (3.2 in) |
| น้ำหนัก | 4.0 g (0.14 oz) | 3.1500000000000004 g (0.11 oz) |
| อาหาร | Nectarivore with elongated bill suited to pendant tubular flowers. Gleans small spiders and mites from … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| จำนวนไข่ | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buff-bellied Hermit
Rapid, light twittering cascade; airy high notes tumbling quickly in animated sequence during courtship display flight.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Buff-bellied Hermit
Endemic to central and southwestern Brazil in cerrado woodland edges and dry forest gallery. Found at 400–900 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
สถานะการอนุรักษ์
Buff-bellied Hermit
Allen's Hummingbird
How to Tell Them Apart
Buff-bellied Hermit
Needle-billed Hermit: heavily streaked tawny underparts; brown-olive above; pale supercilium; very fine needle-like decurved bill; streaked throat
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Buff-bellied Hermit
A small hermit hummingbird (10-12 cm) found in dry deciduous forests and cerrado of central Bolivia and western Brazil. Buff-orange belly, green upperparts, and a curved bill. Nectarivore of dry forest undergrowth. An uncommon species of semi-arid habitats.
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.