Anna's Hummingbird vs Tumbes Hummingbird
Calypte anna เปรียบเทียบกับ Thaumasius baeri
Side-by-Side Comparison
| คุณสมบัติ | Anna's Hummingbird | Tumbes Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Calypte anna | Thaumasius baeri |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | 10.0 cm (3.9 in) | — |
| กว้างปีก | 12.0 cm (4.7 in) | — |
| น้ำหนัก | 4.3 g (0.15 oz) | 4.5249999999999995 g (0.16 oz) |
| อาหาร | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on floral nectar in forest understory, hovering at Heliconia and bromeliads. Supplements with spiders … |
| จำนวนไข่ | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
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Anna's Hummingbird only
Anna's Hummingbird
Chaparral, coastal sage scrub, gardens, parks, and open woodland along the Pacific coast. One of few hummingbirds not fully migratory.
Song & Call Comparison
Anna's Hummingbird
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.
Tumbes Hummingbird
Deep, resonant churring trill with powerful bass; low buzzing sound vibrating impressively in open forest.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Tumbes Hummingbird
Found in arid Tumbesian scrub of western Peru and southwestern Ecuador. Resident in dry forest and coastal scrub.
สถานะการอนุรักษ์
Anna's Hummingbird
Tumbes Hummingbird
How to Tell Them Apart
Anna's Hummingbird
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
Tumbes Hummingbird
About These Birds
Anna's Hummingbird
Anna's hummingbird is the most common hummingbird along the Pacific coast and one of only three species resident in the United States year-round. Males perform spectacular dive displays, plummeting from 40 meters and pulling up with a loud chirp produced by tail feathers. Their body temperature can drop to near ambient at night to conserve energy.
Tumbes Hummingbird
A medium-sized hummingbird (10-11 cm) found in arid Tumbesian scrub of western Peru and southwestern Ecuador. Green plumage with buff underparts. Nectarivore of dry forest and scrub. Named after the collector Karl Ernst von Baer. An arid-zone specialist.