Narrow-tailed Emerald vs Allen's Hummingbird
Chlorostilbon stenurus से तुलना Selasphorus sasin
Side-by-Side Comparison
| विशेषता | Narrow-tailed Emerald | Allen's Hummingbird |
|---|---|---|
| वैज्ञानिक नाम | Chlorostilbon stenurus | Selasphorus sasin |
| गण | Caprimulgiformes | Caprimulgiformes |
| कुल | Trochilidae | Trochilidae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 8.4 cm (3.3 in) | 8.1 cm (3.2 in) |
| वजन | 3.4000000000000004 g (0.12 oz) | 3.1500000000000004 g (0.11 oz) |
| आहार | Feeds on floral nectar at forest edges in northwestern South America. Supplements diet with small … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| अंडों की संख्या | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Narrow-tailed Emerald
Melodic, two-note ascending whistle; pure tones stepping upward clearly, given repeatedly near territory boundary.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Narrow-tailed Emerald
Found in Andean highlands from Venezuela to Peru at 800-2,500 m elevation. Resident in montane forest edges.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
संरक्षण स्थिति
Narrow-tailed Emerald
Allen's Hummingbird
About These Birds
Narrow-tailed Emerald
A small hummingbird (8-9 cm) found in Andean highlands from Venezuela to Peru at 800-2,500 m. Green plumage with a narrow, slightly forked tail. Nectarivore of forest edges and gardens. Named for its distinctively narrow tail feathers.
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.