Black Guineafowl vs Helmeted Guineafowl
Agelastes niger 比較対象 Numida meleagris
Side-by-Side Comparison
| 属性 | Black Guineafowl | Helmeted Guineafowl |
|---|---|---|
| 学名 | Agelastes niger | Numida meleagris |
| 目 | Galliformes | Galliformes |
| 科 | Numididae | Numididae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 42.1 cm (16.6 in) | 50.8 cm (20.0 in) |
| 体重 | 700.0 g (24.69 oz) | 1443.6 g (50.92 oz) |
| 食性 | Omnivorous; forages in Central African rainforests for invertebrates, seeds, fallen fruits, and small vertebrates in … | Omnivorous; forages in African savanna and woodland for insects, seeds, tubers, and small vertebrates. Scratches … |
| 一腹卵数 | -- | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black Guineafowl
Produces a high-pitched, metallic clinking call and soft clucking series. Calls are unlike Helmeted Guineafowl; the metallic clinking echoes through Central African lowland forest.
Helmeted Guineafowl
Produces a repetitive, staccato buck-wheat or chi-chi-chi-CHREE call; flocks create a raucous, cackling chorus. The loud, machine-gun-like cackling alarm is unmistakable; flocks are exceptionally noisy on African savannas.
Geographic Range & Migration
Black Guineafowl
Resident in the Congo Basin of Central Africa from Cameroon east to Uganda. Found in lowland and foothill rainforest.
Helmeted Guineafowl
Resident across sub-Saharan Africa from Senegal to Ethiopia and south to South Africa. Found in open woodland, savanna, and bush. Widely domesticated.
保全状況
Black Guineafowl
Helmeted Guineafowl
How to Tell Them Apart
Black Guineafowl
Entirely glossy black throughout; bare reddish-pink head and neck devoid of casque or wattle; no white spotting; legs dark; tail short and black. Uniform all-black plumage distinguishes from spotted relatives.
Helmeted Guineafowl
Dark grey to black body densely covered with small round white spots; bare blue-grey and red facial skin; prominent bony yellowish casque on crown; red-and-blue wattles. Spotted pattern is highly …
About These Birds
Black Guineafowl
A medium-sized guineafowl (~700 g) of family Numididae, with entirely black plumage and a bare red head and neck. Inhabits lowland rainforest understory in the Congo Basin of central Africa. Forages in small flocks on the forest floor for insects, seeds, and small invertebrates. Least Concern; associated with primary forest but broadly distributed across the Congo rainforest.
Helmeted Guineafowl
アフリカ・マダガスカル原産で、現在は世界各地で家禽として飼育されるホロホロチョウ(体長53〜58cm)。灰色の体に白い斑点が全身にあり、裸の青赤い頭部が特徴的。Numida meleagris(ホロホロチョウ)は大きな群れで行動し、地面をかきながら種子、昆虫、塊茎を食べる。昆虫(マダニ等)の駆除に有用として注目されている。Numididae科。