Allen's Hummingbird vs Black-billed Streamertail
Selasphorus sasin comparé à Trochilus scitulus
Side-by-Side Comparison
| Attribut | Allen's Hummingbird | Black-billed Streamertail |
|---|---|---|
| Nom scientifique | Selasphorus sasin | Trochilus scitulus |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Trochilidae | Trochilidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 8,1 cm (3.2 in) | 13,0 cm (5.1 in) |
| Poids | 3,1500000000000004 g (0.11 oz) | 4,7 g (0.17 oz) |
| Régime alimentaire | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … | Nectarivore probing tubular flowers in humid forest. Supplements nectar diet with small insects and spiders … |
| Taille de la couvée | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Allen's Hummingbird only
Aucun(e)
Black-billed Streamertail only
Aucun(e)
Song & Call Comparison
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Black-billed Streamertail
Buzzy, insect-like sustained trill; continuous high-frequency vibration with rapid modulation near nectar flowers.
Geographic Range & Migration
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Black-billed Streamertail
Endemic to the eastern Blue Mountains of Jamaica. Restricted to montane forest. Sometimes treated as subspecies.
Statut de conservation
Allen's Hummingbird
Black-billed Streamertail
About These Birds
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.
Black-billed Streamertail
A hummingbird (9-10 cm body + long tail streamers in males) endemic to the eastern Blue Mountains of Jamaica. Males similar to Red-billed Streamertail but with a black bill. Nectarivore of montane forest. Sometimes considered a subspecies of Red-billed Streamertail.