Anna's Hummingbird vs Tolima Blossomcrown
Calypte anna 比較対象 Anthocephala berlepschi
Side-by-Side Comparison
| 属性 | Anna's Hummingbird | Tolima Blossomcrown |
|---|---|---|
| 学名 | Calypte anna | Anthocephala berlepschi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | 10.0 cm (3.9 in) | — |
| 翼開長 | 12.0 cm (4.7 in) | 10.3 cm (4.1 in) |
| 体重 | 4.3 g (0.15 oz) | 3.45 g (0.12 oz) |
| 食性 | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Feeds on nectar from Andean flowers in Colombia; supplements with insects and spiders foraged near … |
| 一腹卵数 | 2 | -- |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
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.
Tolima Blossomcrown
Sharp, emphatic rattle with percussive onset; rapid dry notes erupting suddenly in brief forceful burst.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Tolima Blossomcrown
Endemic to the Central Andes of Colombia at 1,600-2,400 m. Classified as Critically Endangered due to tiny range.
保全状況
Anna's Hummingbird
Tolima Blossomcrown
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
Tolima Blossomcrown
Yellow-billed Turaco: glossy dark green; brilliant white-spotted crest; yellow bill; red orbital ring; crimson flight feathers
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.
Tolima Blossomcrown
A small hummingbird (9-10 cm) endemic to the Central Andes of Colombia at 1,600-2,400 m. Males have a rufous crown. Nectarivore of cloud forest and forest edges. Recently split from Santa Marta Blossomcrown. Classified as Critically Endangered.