Plain-capped Starthroat vs Allen's Hummingbird
Heliomaster constantii comparado com Selasphorus sasin
Side-by-Side Comparison
| Atributo | Plain-capped Starthroat | Allen's Hummingbird |
|---|---|---|
| Nome científico | Heliomaster constantii | Selasphorus sasin |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 12,5 cm (4.9 in) | 8,1 cm (3.2 in) |
| Peso | 7,375 g (0.26 oz) | 3,1500000000000004 g (0.11 oz) |
| Dieta | Nectarivore of Mexican and Central American dry and semi-open habitats. Visits large flowers; catches insects … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Tamanho da postura | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Plain-capped Starthroat
High, thin twittering barely audible; delicate cascade of minute notes, poorly documented vocal repertoire.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Plain-capped Starthroat
Found from northwestern Mexico south through Central America to northwestern Costa Rica in dry forest. Sea level to 1,800 m.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Estado de conservação
Plain-capped Starthroat
Allen's Hummingbird
How to Tell Them Apart
Plain-capped Starthroat
Peruvian Sheartail (alt): males with glittering violet gorget; metallic green above; white underparts; 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
Plain-capped Starthroat
O beija-flor-de-bico-longo-de-coroa-azul é um grande beija-flor do México e América Central. O macho tem partes superiores verde-brilhante, coroa azul-iridescente e partes inferiores brancas com riscas. A fêmea carece da coroa azul brilhante. Alimenta-se do néctar de flores grandes, frequentemente defendendo territórios de alimentação. Habita em florestas secas, orlas de floresta e jardins com flores. Pode visitar flores de uma grande variedade de alturas.
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.