Annakolibri vs Eastern Mountaineer
Calypte anna verglichen mit Oreonympha nobilis
Side-by-Side Comparison
| Merkmal | Annakolibri | Eastern Mountaineer |
|---|---|---|
| Wissenschaftlicher Name | Calypte anna | Oreonympha nobilis |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Trochilidae | Trochilidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | 10,0 cm (3.9 in) | — |
| Flügelspannweite | 12,0 cm (4.7 in) | 16,0 cm (6.3 in) |
| Gewicht | 4,3 g (0.15 oz) | 8,333333333333334 g (0.29 oz) |
| Ernährung | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore of Andean dry valley scrub; visits Cactaceae, Puya, and Chuquiraga flowers. Catches small insects … |
| Gelegegröße | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Annakolibri
Chaparral, coastal sage scrub, gardens, parks, and open woodland along the Pacific coast. One of few hummingbirds not fully migratory.
Song & Call Comparison
Annakolibri
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.
Eastern Mountaineer
Harsh, nasal chatter with buzzy overtone; rough emphatic notes delivered rapidly with raw coarse texture.
Geographic Range & Migration
Annakolibri
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Eastern Mountaineer
Endemic to Peru in the upper Apurímac and Urubamba drainages in arid high-altitude scrub. 2,500–4,000 m elevation.
Erhaltungsstatus
Annakolibri
Eastern Mountaineer
How to Tell Them Apart
Annakolibri
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
Eastern Mountaineer
White-vented Plumeleteer: males glittering violet gorget; metallic green; white vent; females green above; pale spotted underparts
About These Birds
Annakolibri
Der Annakolibri ist der häufigste Kolibri entlang der Pazifikküste und eine von nur drei Kolibriarten, die ganzjährig in den USA verweilen. Männchen zeigen spektakuläre Sturzflüge aus 40 Metern Höhe und fangen sich mit einem lauten, von den Schwanzfedern erzeugten Zwitschern ab. Nachts kann ihre Körpertemperatur nahezu auf Umgebungstemperatur absinken, um Energie zu sparen.
Eastern Mountaineer
A medium-sized hummingbird (12-14 cm) endemic to the Andes of Peru at 2,800-4,500 m. Brown plumage with iridescent throat patch and long, forked tail. Nectarivore of puna scrub and Polylepis woodland. The only member of its genus. A Peruvian endemic.