Anna's Hummingbird vs Downy Woodpecker
Calypte anna เปรียบเทียบกับ Picoides pubescens
Side-by-Side Comparison
| คุณสมบัติ | Anna's Hummingbird | Downy Woodpecker |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Calypte anna | Picoides pubescens |
| อันดับ | Caprimulgiformes | Piciformes |
| วงศ์ตระกูล | Trochilidae | Picidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | 10.0 cm (3.9 in) | 16.0 cm (6.3 in) |
| กว้างปีก | 12.0 cm (4.7 in) | 28.0 cm (11.0 in) |
| น้ำหนัก | 4.3 g (0.15 oz) | 27.0 g (0.95 oz) |
| อาหาร | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Insects and larvae extracted from bark, supplemented with seeds, berries, and suet at feeders. Often … |
| จำนวนไข่ | 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.
Downy Woodpecker
Deciduous and mixed forests, orchards, parks, and suburban areas. The most common woodpecker at feeders in North America.
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.
Downy Woodpecker
A sharp 'pik' or 'peek' contact call. Drums on resonant branches with a rapid, light tattoo — softer than larger woodpeckers. Also gives a high descending whinny 'keeer-keeer'.
Geographic Range & Migration
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
Downy Woodpecker
North America from Alaska and Canada south through the United States, excluding the arid Southwest.
สถานะการอนุรักษ์
Anna's Hummingbird
Downy Woodpecker
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
Downy Woodpecker
Black and white plumage with a broad white stripe down the back. Black wings with white spots. Males have a small red patch on the nape.
Short, chisel-shaped, dark bill — noticeably shorter than the similar hairy woodpecker
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.
Downy Woodpecker
The downy woodpecker is the smallest and most widespread woodpecker in North America. Its small size allows it to forage on thin branches and weed stems that larger woodpeckers cannot access. Downies often join mixed-species flocks in winter, benefiting from the extra vigilance of multiple species watching for predators.