Mexican Sheartail vs Allen's Hummingbird
Doricha eliza 比較対象 Selasphorus sasin
Side-by-Side Comparison
| 属性 | Mexican Sheartail | Allen's Hummingbird |
|---|---|---|
| 学名 | Doricha eliza | Selasphorus sasin |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 7.7 cm (3.0 in) | 8.1 cm (3.2 in) |
| 体重 | 2.5 g (0.09 oz) | 3.1500000000000004 g (0.11 oz) |
| 食性 | Nectarivore of dry scrub and coastal dunes, visiting Agave and Ipomoea flowers. Supplements with insects … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mexican Sheartail
Melodic, three-note ascending call; pure warm tones stepping upward smoothly, given clearly from tall perch.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Mexican Sheartail
Endemic to the Yucatán Peninsula of Mexico and Cozumel Island. Classified as Near Threatened due to habitat destruction.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
保全状況
Mexican Sheartail
Allen's Hummingbird
How to Tell Them Apart
Mexican Sheartail
Xantus's Hummingbird: males with glittering green gorget; metallic green above; rufous tail; cinnamon underparts; sexually dimorphic
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Mexican Sheartail
A tiny hummingbird (8-9 cm) endemic to the Yucatán Peninsula of Mexico and Cozumel Island. Males have elongated, slender outer tail feathers. Nectarivore of coastal scrub and gardens. Classified as Near Threatened due to habitat destruction in its limited 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.