Greater Roadrunner vs Lesser Roadrunner
Geococcyx californianus 比較対象 Geococcyx velox
Side-by-Side Comparison
| 属性 | Greater Roadrunner | Lesser Roadrunner |
|---|---|---|
| 学名 | Geococcyx californianus | Geococcyx velox |
| 目 | Cuculiformes | Cuculiformes |
| 科 | Cuculidae | Cuculidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 36.2 cm (14.3 in) | 28.3 cm (11.1 in) |
| 体重 | 338.0 g (11.92 oz) | 184.1 g (6.49 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-6 | 2-3 |
| Population Trend | — | — |
Song & Call Comparison
Greater Roadrunner
Loud, far-carrying call; distinctive resonant notes audible across open terrain with remarkable carrying power.
Lesser Roadrunner
Loud, call carrying far; distinctive hollow notes audible across dry open Central American terrain. Vocalization pattern typical of this species in its native habitat.
保全状況
Greater Roadrunner
Lesser Roadrunner
About These Birds
Greater Roadrunner
アメリカ南西部からメキシコの砂漠・低木地に生息するカッコウの仲間（体長52〜62cm）。長い尾と素早い走りが特徴で、飛ぶよりも地上を走ることを好む。Geococcyx californianus（ロードランナー）は毒を持つガラガラヘビを含む爬虫類や昆虫を捕食する。アメリカ南西部の象徴的な鳥で、有名なアニメキャラクターの元ネタ。Cuculidae科。
Lesser Roadrunner
Lesser Roadrunner (Geococcyx velox) — 46–52 cm. Similar to Greater Roadrunner but smaller with a more streaked breast. Found in dry scrub, open woodland, and arid valleys from Mexico to Nicaragua. Non-parasitic; carnivorous; eats insects and small vertebrates. Shares the same terrestrial running lifestyle as its northern relative.