Ruffed Grouse vs Ahanta Spurfowl
Bonasa umbellus 비교 대상 Pternistis ahantensis
Side-by-Side Comparison
| 속성 | Ruffed Grouse | Ahanta Spurfowl |
|---|---|---|
| 학명 | Bonasa umbellus | Pternistis ahantensis |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 36.6 cm (14.4 in) | 34.6 cm (13.6 in) |
| 체중 | 613.0 g (21.62 oz) | 547.5 g (19.31 oz) |
| 식성 | Buds, catkins, and leaves of deciduous trees dominate diet in winter; berries, seeds, and invertebrates … | Feeds on seeds, invertebrates, and plant matter in West African lowland forest and thicket. |
| 산란 수 | 6-15 | 3-12 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Ruffed Grouse
Males produce deep, accelerating drumming with wings on hollow logs; thump-thump-thump-rrrrrr. Vocal calls include soft 'quit-quit'; alarm is a sharp 'pit'. Drumming carries up to 400 meters.
Ahanta Spurfowl
Loud, staccato 'krak-krak-KRAAK' from W African forest edge; slightly higher than larger spurfowl. Alarm is rapid explosive cackling. Pairs call in loose synchrony at dawn in secondary growth.
Geographic Range & Migration
Ruffed Grouse
Resident across boreal forests of North America from Alaska south to the Appalachians. Found in deciduous and mixed woodland. Largely sedentary.
Ahanta Spurfowl
Resident of dense lowland and coastal forest in West Africa from Ghana to Cameroon; also found in Bioko Island.
보전 상태
Ruffed Grouse
Ahanta Spurfowl
How to Tell Them Apart
Ruffed Grouse
Cryptic brown or grey morph; broad black ruff on neck sides; tail broadly banded grey with black subterminal bar; underparts barred buff and brown; red eye-comb; two colour morphs vary …
Ahanta Spurfowl
Dark brown above with pale buff shaft streaks; whitish below with dark brown streaking; red bill; red orbital skin; yellow legs. Sexes similar; closely resembles Double-spurred Spurfowl; West African forests.
About These Birds
Ruffed Grouse
부채꼬리뇌조는 북미 낙엽수림과 혼합림에 서식하는 중간 크기의 뇌조(약 610g)로 꿩과에 속합니다. 부채 모양 꼬리와 목 주름이 있는 갈색과 회색의 훌륭한 위장 깃털. 수컷은 날개를 두드려 독특한 우르릉거리는 소리를 냅니다. 싹, 잎, 열매를 먹습니다. 넓은 북미 숲 범위에서 중요한 게임 새인 관심대상 종입니다.
Ahanta Spurfowl
A medium Phasianidae spurfowl (~548 g) of lowland and secondary forest edges in West Africa from Ivory Coast to Nigeria. Dark brown streaked white; red orbital skin. Forages on the ground in pairs or small groups for seeds, berries, and invertebrates. Tolerates forest fragments; Least Concern.