White-tailed Hummingbird vs Allen's Hummingbird
Eupherusa poliocerca comparado com Selasphorus sasin
Side-by-Side Comparison
| Atributo | White-tailed Hummingbird | Allen's Hummingbird |
|---|---|---|
| Nome científico | Eupherusa poliocerca | Selasphorus sasin |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Near Threatened | Least Concern |
| Comprimento | — | — |
| Envergadura | 12,1 cm (4.8 in) | 8,1 cm (3.2 in) |
| Peso | 4,625 g (0.16 oz) | 3,1500000000000004 g (0.11 oz) |
| Dieta | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Tamanho da postura | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-tailed Hummingbird
Harsh, buzzy chatter with emphatic rhythm; coarse rough notes delivered rapidly with raw buzzy texture.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
White-tailed Hummingbird
Endemic to the Sierra Madre del Sur of Guerrero and Oaxaca, Mexico. Classified as Vulnerable due to restricted range.
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
White-tailed Hummingbird
Allen's Hummingbird
About These Birds
White-tailed Hummingbird
A medium-sized hummingbird (10-11 cm) endemic to the Sierra Madre del Sur of Guerrero and Oaxaca, southwestern Mexico. Green plumage with white outer tail feathers. Nectarivore of montane forest. Classified as Vulnerable due to restricted range.
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.