Anna's Hummingbird vs Blue-throated Goldentail
Calypte anna comparado com Chlorestes eliciae
Side-by-Side Comparison
| Atributo | Anna's Hummingbird | Blue-throated Goldentail |
|---|---|---|
| Nome científico | Calypte anna | Chlorestes eliciae |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 10,0 cm (3.9 in) | — |
| Envergadura | 12,0 cm (4.7 in) | — |
| Peso | 4,3 g (0.15 oz) | 3,66 g (0.13 oz) |
| Dieta | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore visiting diverse flowering plants; supplements the high-sugar nectar diet with small insects and spiders … |
| Tamanho da postura | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
Nenhum
Anna's Hummingbird only
Blue-throated Goldentail only
Anna's Hummingbird
Chaparral, coastal sage scrub, gardens, parks, and open woodland along the Pacific coast. One of few hummingbirds not fully migratory.
Song & Call Comparison
Anna's Hummingbird
Male produces a complex, scratchy song with buzzy 'dzzzzt' notes. Gives a nasal 'chee-chee-chee'. Males sing year-round, even in winter; one of few hummingbirds with true song.
Blue-throated Goldentail
Harsh, nasal chatter with emphatic rhythm; rough buzzy notes delivered rapidly with coarse raw texture.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Blue-throated Goldentail
Found in humid forests from Mexico to Panama. Resident in lowland and foothill forest edges and clearings.
Estado de conservação
Anna's Hummingbird
Blue-throated Goldentail
How to Tell Them Apart
Anna's Hummingbird
Metallic bronze-green upperparts. Males have an iridescent rose-red crown and gorget. Females have green upperparts with grey underparts and a small red gorget patch.
Medium-length, straight, thin black bill
Blue-throated Goldentail
About These Birds
Anna's Hummingbird
Anna's hummingbird is the most common hummingbird along the Pacific coast and one of only three species resident in the United States year-round. Males perform spectacular dive displays, plummeting from 40 meters and pulling up with a loud chirp produced by tail feathers. Their body temperature can drop to near ambient at night to conserve energy.
Blue-throated Goldentail
Beija-flor-de-Elicia (Chlorestes eliciae), 8–9 cm. Macho com plumagem verde-brilhante, gorget azul-violáceo na garganta, partes inferiores acinzentadas. Habita bordas de florestas úmidas e capoeiras na América Central e noroeste da América do Sul. Alimenta-se de néctar e pequenos insetos.