Antillean Nighthawk vs Cayenne Nightjar

Chordeiles gundlachii 比較対象 Setopagis maculosa

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Side-by-Side Comparison

属性 Antillean Nighthawk Cayenne Nightjar
学名 Chordeiles gundlachii Setopagis maculosa
Caprimulgiformes Caprimulgiformes
Caprimulgidae Caprimulgidae
保全状況 Least Concern Data Deficient
体長
翼開長 34.2 cm (13.5 in) 27.8 cm (10.9 in)
体重 56.05 g (1.98 oz) 47.0 g (1.66 oz)
食性 Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. Catches flying insects in aerial pursuit at night over South American forest and scrub.
一腹卵数 1-2 1-2
Population Trend
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Habitat Comparison

共通生息地

Antillean Nighthawk only

Cayenne Nightjar only

None

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Song & Call Comparison

Antillean Nighthawk

さえずり

Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear

Cayenne Nightjar

さえずり

Poorly known vocalizations; presumed churring trill based on genus; extremely rare recordings; distinct from other Setopagis by subtle tonal and rhythm differences

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Geographic Range & Migration

Antillean Nighthawk

Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.

Cayenne Nightjar

Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.

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保全状況

Least Concern

Antillean Nighthawk

Data Deficient

Cayenne Nightjar

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How to Tell Them Apart

Antillean Nighthawk

羽毛

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 …

Cayenne Nightjar

羽毛

Brown and buff mottled above with dark vermiculations; pale buff below with darker barring; white throat patch in male; outer tail spots white; data deficient; known from only a handful …

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About These Birds

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。

Cayenne Nightjar

A small Caprimulgidae nightjar (~47 g) from coastal French Guiana and adjacent Suriname. Known from only a handful of specimens; biology essentially unknown. Mottled brown plumage presumed cryptic in leaf litter. Presumed nocturnal insectivore. Data Deficient due to extreme rarity of confirmed records in the wild.

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