Annakolibri vs White-necked Jacobin
Calypte anna verglichen mit Florisuga mellivora
Side-by-Side Comparison
| Merkmal | Annakolibri | White-necked Jacobin |
|---|---|---|
| Wissenschaftlicher Name | Calypte anna | Florisuga mellivora |
| 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) | 13,6 cm (5.4 in) |
| Gewicht | 4,3 g (0.15 oz) | 7,666666666666667 g (0.27 oz) |
| Ernährung | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Nectar generalist visiting a wide range of forest flowers; also catches small arthropods by aerial … |
| Gelegegröße | 2 | 1-3 |
| 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.
White-necked Jacobin
High, insect-like buzzing sustained for several seconds; thin monotone delivered continuously during hovering display flight.
Geographic Range & Migration
Annakolibri
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
White-necked Jacobin
Found from Mexico south through Central America to Venezuela, Trinidad, and the western Amazon. Common in lowland forest edge and gardens.
Erhaltungsstatus
Annakolibri
White-necked Jacobin
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
White-necked Jacobin
Males vivid blue head and throat; white nape and hindneck contrasting sharply with blue; white belly; green back; white tail with dark terminal band; females brown above, spotted below; bold …
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.
White-necked Jacobin
A medium-sized hummingbird (11-12 cm) with a dazzling white breast, deep blue hood, and green back. Found from Mexico to Brazil and Trinidad. Male's brilliant white neck and chest are striking in flight. Nectarivore of forest canopy, visiting a wide variety of tropical flowers.