Berylline Hummingbird vs Allen's Hummingbird
Saucerottia beryllina เปรียบเทียบกับ Selasphorus sasin
Side-by-Side Comparison
| คุณสมบัติ | Berylline Hummingbird | Allen's Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Saucerottia beryllina | Selasphorus sasin |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 8.1 cm (3.2 in) |
| น้ำหนัก | 4.3 g (0.15 oz) | 3.1500000000000004 g (0.11 oz) |
| อาหาร | Nectarivore of Mexican pine-oak highlands, visiting flowering trees and epiphytes. Supplements with insects and spiders. | 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
Berylline Hummingbird
Melodic, two-note ascending whistle; pure tones stepping upward clearly and repeatedly from active territory.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Berylline Hummingbird
Found in highlands from Mexico to Honduras at 800-3,000 m. Resident in pine-oak forest and cloud forest edges.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
สถานะการอนุรักษ์
Berylline Hummingbird
Allen's Hummingbird
How to Tell Them Apart
Berylline Hummingbird
Bay Coucal: rich rufous-brown above; rufous wings; pale buff-white below; long dark tail; red eye; bright rufous plumage
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Berylline Hummingbird
A medium-sized hummingbird (9-10 cm) found in highlands from Mexico to Honduras at 800-3,000 m. Green plumage with beryl-green belly and rufous wing patches visible in flight. Nectarivore of pine-oak forest, gardens, and cloud forest edges. Common at Mexican feeders.
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.