Black-necked Woodpecker vs Acorn Woodpecker
Colaptes atricollis 比較対象 Melanerpes formicivorus
Side-by-Side Comparison
| 属性 | Black-necked Woodpecker | Acorn Woodpecker |
|---|---|---|
| 学名 | Colaptes atricollis | Melanerpes formicivorus |
| 目 | Piciformes | Piciformes |
| 科 | Picidae | Picidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 23.7 cm (9.3 in) | 28.0 cm (11.0 in) |
| 体重 | 78.74 g (2.78 oz) | 78.5 g (2.77 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-4 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black-necked Woodpecker
Least Concern
Acorn Woodpecker
About These Birds
Black-necked Woodpecker
The Black-necked Woodpecker is a medium-sized woodpecker with barred black-and-white back, a yellow crown and nape, and a distinctive black collar across the lower throat. It is endemic to Peru, inhabiting deciduous and semi-deciduous forest along the western Andean slopes and adjacent inter-Andean valleys. It forages on tree trunks and branches, excavating insects from bark and searching for ants.
Acorn Woodpecker
北米西部からコロンビアにかけての樫の木林に生息するドングリキツツキ。体長20〜23cm。赤い頭頂部と黒白のピエロ顔が特徴的。ドングリを木の幹の穴に大量に貯蔵する習性で有名。協力繁殖種。低危険種。