Annakolibri vs Copper-tailed Hummingbird
Calypte anna verglichen mit Saucerottia cupreicauda
Side-by-Side Comparison
| Merkmal | Annakolibri | Copper-tailed Hummingbird |
|---|---|---|
| Wissenschaftlicher Name | Calypte anna | Saucerottia cupreicauda |
| 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) | — |
| Gewicht | 4,3 g (0.15 oz) | 4,066666666666667 g (0.14 oz) |
| Ernährung | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectarivore specialising in tubular blossoms; supplements the floral nectar diet with tiny insects and spiders … |
| 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.
Copper-tailed Hummingbird
High, crystalline notes in animated ascending phrase; bright clear tones climbing smoothly in morning song.
Geographic Range & Migration
Annakolibri
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Copper-tailed Hummingbird
Found in humid montane forests of Colombia at 1,000-2,200 m. A Colombian near-endemic with limited range.
Erhaltungsstatus
Annakolibri
Copper-tailed Hummingbird
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
Copper-tailed Hummingbird
Unirufous Coucal: entirely rich rufous-brown above and below; dark graduated tail; red eye; uniformly rufous plumage; distinctive
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.
Copper-tailed Hummingbird
A medium-sized hummingbird (9-10 cm) found in humid montane forests of Colombia at 1,000-2,200 m. Green plumage with a copper-colored tail. Nectarivore of cloud forest edges. A Colombian near-endemic with limited range.