Swallow-tailed Hummingbird vs Allen's Hummingbird
Eupetomena macroura مقارنةً بـ Selasphorus sasin
Side-by-Side Comparison
| السمة | Swallow-tailed Hummingbird | Allen's Hummingbird |
|---|---|---|
| الاسم العلمي | Eupetomena macroura | Selasphorus sasin |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Trochilidae | Trochilidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 13,9 cm (5.5 in) | 8,1 cm (3.2 in) |
| الوزن | 7,94 g (0.28 oz) | 3,1500000000000004 g (0.11 oz) |
| النظام الغذائي | Large, conspicuous nectarivore of Brazilian cerrado and gardens. Feeds at Erythrina and diverse blossoms; supplements … | 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
Swallow-tailed Hummingbird
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in animated display.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Swallow-tailed Hummingbird
Found in open habitats across eastern South America from the Guianas to Argentina. Resident in cerrado and gardens.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
حالة الحفاظ
Swallow-tailed Hummingbird
Allen's Hummingbird
About These Birds
Swallow-tailed Hummingbird
A large hummingbird (15-17 cm) found in open habitats across eastern South America from the Guianas to Argentina. Iridescent blue-green plumage with a deeply forked, swallow-like tail. Nectarivore of gardens, cerrado, and forest edges. Often seen perching conspicuously on exposed branches.
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.