European Nightjar vs Antillean Nighthawk
Caprimulgus europaeus 比較対象 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | European Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus europaeus | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 36.6 cm (14.4 in) | 34.2 cm (13.5 in) |
| 体重 | 75.83333333333333 g (2.67 oz) | 56.05 g (1.98 oz) |
| 食性 | Hawks moths, beetles, and flying insects at dusk and night over European heathland, forest edge, … | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 一腹卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
共通生息地
European Nightjar only
Antillean Nighthawk only
None
Song & Call Comparison
European Nightjar
Long, mechanical churring trill; sustained 'errrrrr' switching pitch between two notes; unique ventriloquial quality; calls from heath at dusk; alarm a sharp 'coo-ic'
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
European Nightjar
Breeds across Europe and western Asia from Britain to Lake Baikal; long-distance migrant wintering in sub-Saharan Africa from Senegal to East Africa.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保全状況
European Nightjar
Antillean Nighthawk
How to Tell Them Apart
European Nightjar
Grey-brown and buff mottled with intricate dark vermiculations; male has white spots on outer primaries and white outer tail corners; plain grey head with pale supercilium; female lacks white wing …
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
European Nightjar
ヨーロッパ・アジアで繁殖し、アフリカで越冬する夜行性の鳥（体長24〜28cm）。褐色の迷彩模様が枯れ葉の上で完璧な擬態を見せる。Caprimulgus europaeus（ヨーロッパヨタカ）は夜に活動し、特徴的なガラガラという音のような連続音で鳴く。空中で口を大きく開けて飛びながら昆虫を捕食する。Caprimulgidae科。
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。