Blue-tufted Starthroat vs Allen's Hummingbird
Heliomaster furcifer comparé à Selasphorus sasin
Side-by-Side Comparison
| Attribut | Blue-tufted Starthroat | Allen's Hummingbird |
|---|---|---|
| Nom scientifique | Heliomaster furcifer | Selasphorus sasin |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Trochilidae | Trochilidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 10,8 cm (4.3 in) | 8,1 cm (3.2 in) |
| Poids | 5,7 g (0.20 oz) | 3,1500000000000004 g (0.11 oz) |
| Régime alimentaire | Nectarivore of open Argentine and Bolivian habitats; visits diverse shrub flowers. Catches small insects in … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Taille de la couvée | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Blue-tufted Starthroat only
Allen's Hummingbird only
Aucun(e)
Song & Call Comparison
Blue-tufted Starthroat
Buzzy, insect-like trill with rapid modulation; high-frequency buzz sustained briefly then repeated after pause.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Blue-tufted Starthroat
Found from Bolivia and Brazil south to Argentina and Uruguay in open woodland and scrub. Sea level to 1,500 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Statut de conservation
Blue-tufted Starthroat
Allen's Hummingbird
How to Tell Them Apart
Blue-tufted Starthroat
Sparkling-tailed Hummingbird: males with brilliant violet gorget; metallic bronze-green; sparkling tail; females green above; spotted
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Blue-tufted Starthroat
A medium-sized hummingbird (12-13 cm) found in open habitats from Venezuela and the Guianas through Brazil to Argentina. Green plumage with blue throat tufts (males) and a long, forked tail. Nectarivore of savanna, gardens, and forest edges. Widespread in southern South America.
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.