Buff-bellied Hummingbird vs Allen's Hummingbird
Amazilia yucatanensis compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Buff-bellied Hummingbird | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Amazilia yucatanensis | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 11.0 cm (4.3 in) | 8.1 cm (3.2 in) |
| Weight | 4.175 g (0.15 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Feeds on nectar from Yucatán flowering trees and garden plants; supplements with insects and spiders … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buff-bellied Hummingbird
Thin, sibilant twittering with airy silvery quality; high light notes cascading softly near flowers.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Buff-bellied Hummingbird
Found from southern Texas through eastern Mexico to Belize and Guatemala. Resident in Gulf Coast lowlands.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Conservation Status
Buff-bellied Hummingbird
Allen's Hummingbird
About These Birds
Buff-bellied Hummingbird
A medium-sized hummingbird (10-11 cm) found from southern Texas through eastern Mexico to Belize and Guatemala. Green upperparts, buff-orange belly, and red bill with dark tip. Nectarivore of gardens, citrus groves, and forest edges. Common at Texas Gulf Coast feeders.
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.