Annakolibri vs Slender Sheartail
Calypte anna verglichen mit Doricha enicura
Side-by-Side Comparison
| Merkmal | Annakolibri | Slender Sheartail |
|---|---|---|
| Wissenschaftlicher Name | Calypte anna | Doricha enicura |
| 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) | 7,3 cm (2.9 in) |
| Gewicht | 4,3 g (0.15 oz) | 2,4333333333333336 g (0.09 oz) |
| Ernährung | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on floral nectar from forest-edge blossoms, probing with its long decurved bill. Catches small … |
| Gelegegröße | 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.
Slender Sheartail
Thin, wavering sibilant trill; soft high buzzing with slight pulsing quality during courtship hover display.
Geographic Range & Migration
Annakolibri
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Slender Sheartail
Endemic to the highlands of Guatemala, Honduras, and El Salvador at 1,200-2,500 m. Resident in montane scrub and forest edges.
Erhaltungsstatus
Annakolibri
Slender Sheartail
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
Slender Sheartail
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.
Slender Sheartail
A tiny hummingbird (9-10 cm including elongated tail in males) endemic to the highlands of Guatemala, Honduras, and El Salvador at 1,200-2,500 m. Males have extremely long, slender outer tail feathers. Nectarivore of montane scrub and garden flowers.