Freckled Nightjar vs Antillean Nighthawk
Caprimulgus tristigma 比較対象 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Freckled Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus tristigma | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 34.4 cm (13.5 in) | 34.2 cm (13.5 in) |
| 体重 | 79.88333333333334 g (2.82 oz) | 56.05 g (1.98 oz) |
| 食性 | Nocturnal aerial insectivore, hawking moths, beetles, and other flying insects in sustained sallying flight over … | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 一腹卵数 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Freckled Nightjar
Loud, dog-like 'bow-wow' or 'woof-woof'; unusual barking call for a nightjar; carries across rocky African outcrops; alarm a sharp 'chek'; distinctive among all nightjars
Antillean Nighthawk
Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear
Geographic Range & Migration
Freckled Nightjar
Found in Borneo and Sumatra in lowland rainforest and peat swamp forest. Rare and seldom recorded; possibly resident year-round.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保全状況
Freckled Nightjar
Antillean Nighthawk
How to Tell Them Apart
Freckled Nightjar
Heavily freckled dark grey and black upperparts resembling granite surfaces; whitish throat patch; underparts densely barred dark and pale; uniquely dark stone-coloured cryptic plumage adapted to rocky outcrops in Africa.
Antillean Nighthawk
Brown and buff mottled above with dark brown streaking; white throat patch in male; barred buff-white underparts; white wing bar across primaries; white tail band in male; female has buff …
About These Birds
Freckled Nightjar
体長25〜28cmのサハラ以南アフリカの岩場・岩石の多い丘陵地に生息するヨタカ。地衣類のような斑点のある灰褐色。
Antillean Nighthawk
アンティルナイトホーク(Chordeiles gundlachii)はカリブ海の島々に生息するナイトホークです。フロリダキーズでも繁殖が確認されています。体長約20cmで、夜行性の昆虫食鳥です。海岸部の開けた生息地を好みます。