Dusky Grouse vs Ahanta Spurfowl
Dendragapus obscurus 비교 대상 Pternistis ahantensis
Side-by-Side Comparison
| 속성 | Dusky Grouse | Ahanta Spurfowl |
|---|---|---|
| 학명 | Dendragapus obscurus | Pternistis ahantensis |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 45.3 cm (17.8 in) | 34.6 cm (13.6 in) |
| 체중 | 1118.0 g (39.44 oz) | 547.5 g (19.31 oz) |
| 식성 | Eats conifer needles, especially fir and pine, in winter; berries, leaves, and invertebrates in summer. … | Feeds on seeds, invertebrates, and plant matter in West African lowland forest and thicket. |
| 산란 수 | 4-10 | 3-12 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dusky Grouse
Low, deep hooting 'hoo-hoo-hoo-hoo-hoo' by males from conifer branches; ventriloquial and owl-like. Alarm is a sharp series of 'kuk-kuk' clucks. Female produces soft clucking contact notes.
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
Dusky Grouse
Resident in the Rocky Mountains and coastal ranges of western North America from British Columbia south to New Mexico at 1,000-3,500 m.
Ahanta Spurfowl
Resident of dense lowland and coastal forest in West Africa from Ghana to Cameroon; also found in Bioko Island.
보전 상태
Dusky Grouse
Ahanta Spurfowl
How to Tell Them Apart
Dusky Grouse
Male dark greyish-brown overall; pale grey tail with broad grey terminal band; yellow-orange eye-comb; bare yellow-purple neck air sacs visible in display. Female mottled brown and buff with darker barring.
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
Dusky Grouse
약 1.1kg의 Phasianidae 과 대형 뇌조로 수컷은 노란-주황색 눈 볏과 부풀릴 수 있는 보라색 목 주머니를 가진 어두운 회색 깃털. 브리티시컬럼비아에서 뉴멕시코까지 로키 산맥의 산지 침엽수림에 서식. 겨울에는 침엽수 잎, 여름에는 장과류와 곤충을 먹는다. 수직 이동을 한다. 최소 관심; 북아메리카 서부 산지림에서 흔하다.
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.