Greater Roadrunner vs Lesser Ground-cuckoo
Geococcyx californianus so với Morococcyx erythropygus
Side-by-Side Comparison
| Thuộc Tính | Greater Roadrunner | Lesser Ground-cuckoo |
|---|---|---|
| Tên Khoa Học | Geococcyx californianus | Morococcyx erythropygus |
| Bộ | Cuculiformes | Cuculiformes |
| Họ | Cuculidae | Cuculidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 36,2 cm (14.3 in) | 19,8 cm (7.8 in) |
| Khối Lượng | 338,0 g (11.92 oz) | 66,6 g (2.35 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-6 | 2 |
| Population Trend | — | — |
Song & Call Comparison
Greater Roadrunner
Loud, far-carrying call; distinctive resonant notes audible across open terrain with remarkable carrying power.
Lesser Ground-cuckoo
Soft, ventriloquial whistled phrase; clear pure notes given quietly and deceptively from dense tropical thicket.
Tình Trạng Bảo Tồn
Greater Roadrunner
Lesser Ground-cuckoo
How to Tell Them Apart
Greater Roadrunner
Lesser Roadrunner: brown-streaked above; white-buff below; long streaked tail; shaggy short crest; blue-red facial skin; small roadrunner
Lesser Ground-cuckoo
Greater Roadrunner: boldly streaked brown above; white-cream below with dark streaks; long tail; shaggy crest; bare facial skin; fast runner
About These Birds
Greater Roadrunner
Greater Roadrunner (Geococcyx californianus) — 52–62 cm. Streaked brown-and-white; erectile crest; bare red-and-blue post-ocular patch; long tail. Inhabits deserts and chaparral of the southwestern USA and Mexico. Non-parasitic; carnivorous — eats rattlesnakes, lizards, scorpions, and birds. Runs up to 32 km/h; iconic bird of the Sonoran Desert.
Lesser Ground-cuckoo
Lesser Ground-cuckoo (Morococcyx erythropygus) — 28 cm. Brown above; chestnut rump; whitish underparts; bare blue orbital skin. Inhabits dry and semi-arid scrub from Mexico to Costa Rica. Non-parasitic; builds its own nest in low shrubs. Runs on the ground hunting large insects, lizards, and amphibians. Monotypic genus endemic to Mesoamerica.