Red-billed Emerald vs Allen's Hummingbird
Chlorostilbon gibsoni مقارنةً بـ Selasphorus sasin
Side-by-Side Comparison
| السمة | Red-billed Emerald | Allen's Hummingbird |
|---|---|---|
| الاسم العلمي | Chlorostilbon gibsoni | Selasphorus sasin |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Trochilidae | Trochilidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 9,9 cm (3.9 in) | 8,1 cm (3.2 in) |
| الوزن | 3,4 g (0.12 oz) | 3,1500000000000004 g (0.11 oz) |
| النظام الغذائي | Feeds on floral nectar in lowland Venezuelan scrub and forest. Gleans insects and spiders to … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| عدد البيض في الوضع | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Red-billed Emerald
Harsh, buzzy chatter with urgency; rough staccato notes escalating quickly during competitive flower territory dispute.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Red-billed Emerald
Found in dry valleys and scrub of Colombia and Venezuela. Resident in arid and semi-arid habitats at low elevations.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
حالة الحفاظ
Red-billed Emerald
Allen's Hummingbird
How to Tell Them Apart
Red-billed Emerald
Versicolored Emerald: males with glittering multicolored gorget; metallic green above; white underparts; females green above; spots
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Red-billed Emerald
A small hummingbird (8-9 cm) found in dry valleys and scrub of Colombia and Venezuela. Bright green plumage with a red bill with dark tip. Nectarivore of arid and semi-arid habitats. Named after the naturalist William Gibson.
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.