Willow Grouse vs Ahanta Spurfowl
Lagopus lagopus 비교 대상 Pternistis ahantensis
Side-by-Side Comparison
| 속성 | Willow Grouse | Ahanta Spurfowl |
|---|---|---|
| 학명 | Lagopus lagopus | Pternistis ahantensis |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 39.1 cm (15.4 in) | 34.6 cm (13.6 in) |
| 체중 | 595.4166666666666 g (21.00 oz) | 547.5 g (19.31 oz) |
| 식성 | Eats willow and birch buds, catkins, and shoots in winter; berries, seeds, flowers, and insects … | Feeds on seeds, invertebrates, and plant matter in West African lowland forest and thicket. |
| 산란 수 | 3-14 | 3-12 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Willow Grouse
Loud, laughing 'kow-kow-kow-karrr' cackle from males on tundra; raucous and carrying. Alarm is a sharp repetitive 'kek'. Female gives low clucks near nest; male produces barking territorial call.
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
Willow Grouse
Circumpolar breeder in Arctic and boreal tundra of North America, Europe, and Asia. Winters south to temperate grasslands and shrubland.
Ahanta Spurfowl
Resident of dense lowland and coastal forest in West Africa from Ghana to Cameroon; also found in Bioko Island.
보전 상태
Willow Grouse
Ahanta Spurfowl
How to Tell Them Apart
Willow Grouse
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
Willow Grouse
들꿩은 북극과 아북극 지역에 서식하는 뇌조 종류이다. 겨울에는 흰색으로 변해 눈 속에서 완벽한 위장을 하며 여름에는 갈색의 얼룩무늬 깃털을 가진다. 북극 툰드라와 아한대 초원에서 식물의 싹, 새싹, 열매 등을 먹는다.
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.