Nechisar Nightjar vs Antillean Nighthawk
Caprimulgus solala 比較対象 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Nechisar Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus solala | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 37.0 cm (14.6 in) | 34.2 cm (13.5 in) |
| 体重 | 79.0 g (2.79 oz) | 56.05 g (1.98 oz) |
| 食性 | Nocturnal aerial insectivore; hawks moths and flying beetles over arid scrubland and rocky desert margins. | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 一腹卵数 | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Nechisar Nightjar
Virtually unknown vocalizations; known only from a single wing feather; presumed churring song; critically rare Ethiopian endemic with essentially undescribed call
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
Nechisar Nightjar
Found across the Sahel from Senegal east to Ethiopia and south to Uganda and Kenya. Resident in open savanna and dry grassland.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保全状況
Nechisar Nightjar
Antillean Nighthawk
How to Tell Them Apart
Nechisar Nightjar
Known from a single wing feather specimen; dark brownish-black with pale buff and tawny mottling; intricate fine vermiculations consistent with Caprimulgus pattern; extremely poorly known Ethiopian endemic.
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
Nechisar Nightjar
1990年にエチオピアのネキサル平野で採集された1標本と羽根のみが知られる絶滅危惧IA類のヨタカ。生態は不明。
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。