Rainbow-bearded Thornbill vs Allen's Hummingbird
Chalcostigma herrani comparado con Selasphorus sasin
Side-by-Side Comparison
| Atributo | Rainbow-bearded Thornbill | Allen's Hummingbird |
|---|---|---|
| Nombre científico | Chalcostigma herrani | Selasphorus sasin |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 13,5 cm (5.3 in) | 8,1 cm (3.2 in) |
| Peso | 6,183333333333334 g (0.22 oz) | 3,1500000000000004 g (0.11 oz) |
| Dieta | Nectarivore of Colombian and Venezuelan montane scrub; visits diverse small flowers. Supplements with small insects. | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Tamaño de la puesta | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Rainbow-bearded Thornbill only
Allen's Hummingbird only
Song & Call Comparison
Rainbow-bearded Thornbill
Thin, reedy trill with wavering quality; soft rapid notes with gentle tremolo effect, given from dense cover.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Rainbow-bearded Thornbill
Found in high Andean páramo and shrubby forest edge from Colombia south to Ecuador and Peru. 2,600–4,400 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 conservación
Rainbow-bearded Thornbill
Allen's Hummingbird
How to Tell Them Apart
Rainbow-bearded Thornbill
Snowcap: males with brilliant iridescent blue-violet gorget; snow-white crown; metallic green above; females green above; spotted below
Allen's Hummingbird
Fiery-throated Hummingbird (alt): males with brilliant multicolored gorget; metallic green above; females duller; pale buff below
About These Birds
Rainbow-bearded Thornbill
Picoespina de Herran (Chalcostigma herrani), 11–12 cm. Colibrí con cola espinosa; macho con garganta verde-dorada iridiscente y larga cola bifurcada. Habita en páramos y bordes de bosque alto-andino de Colombia y Ecuador. Se alimenta de néctar de flores de bromeliáceas y espeletias.
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.