Prigogine's Nightjar vs Heinrich's Nightjar

Caprimulgus prigoginei เปรียบเทียบกับ Eurostopodus diabolicus

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Side-by-Side Comparison

คุณสมบัติ Prigogine's Nightjar Heinrich's Nightjar
ชื่อวิทยาศาสตร์ Caprimulgus prigoginei Eurostopodus diabolicus
อันดับ Caprimulgiformes Caprimulgiformes
วงศ์ตระกูล Caprimulgidae Caprimulgidae
สถานะการอนุรักษ์ Data Deficient Least Concern
ความยาว
กว้างปีก 32.2 cm (12.7 in) 39.9 cm (15.7 in)
น้ำหนัก 57.5 g (2.03 oz) 104.0 g (3.67 oz)
อาหาร Nocturnal insectivore feeding on moths, termites, and flying beetles caught in aerial sallies over savanna … Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known.
จำนวนไข่ -- 1
Population Trend
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Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

Prigogine's Nightjar only

ไม่มี

Heinrich's Nightjar only

ไม่มี

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Song & Call Comparison

Prigogine's Nightjar

เสียงร้อง

Essentially unknown vocalizations; extremely rare Central African species; presumed churring trill; known from only two specimens; calls at night from forest

Heinrich's Nightjar

เสียงร้อง

Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night

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Geographic Range & Migration

Prigogine's Nightjar

Found in Cameroon, Gabon, Equatorial Guinea, and the Republic of Congo. Resident in lowland rainforest and forest edge. Rare.

Heinrich's Nightjar

Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.

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สถานะการอนุรักษ์

Data Deficient

Prigogine's Nightjar

Least Concern

Heinrich's Nightjar

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How to Tell Them Apart

Prigogine's Nightjar

ขนนก

Dark blackish-brown upperparts with pale buff mottling and streaking; whitish throat patch; buff and brown barred underparts; data-deficient Albertine Rift endemic known from limited specimens.

Heinrich's Nightjar

ขนนก

Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.

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About These Birds

Prigogine's Nightjar

An extremely rare and poorly known nightjar described from a single specimen collected in the Itombwe Mountains of eastern Democratic Republic of Congo in 1955. No confirmed records since. Montane forest habitat. Classified as Endangered. Ecology virtually unknown.

Heinrich's Nightjar

A medium Caprimulgidae nightjar (~104 g) endemic to the forest and forest-edge habitats of Sulawesi, Indonesia. Cryptically patterned brown-and-buff. Nocturnal insectivore; catches moths and beetles in aerial sallies. Little studied and rarely encountered in the field. Least Concern within its Sulawesi range.

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