Heinrich's Nightjar vs Long-trained Nightjar
Eurostopodus diabolicus เปรียบเทียบกับ Macropsalis forcipata
Side-by-Side Comparison
| คุณสมบัติ | Heinrich's Nightjar | Long-trained Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Eurostopodus diabolicus | Macropsalis forcipata |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 39.9 cm (15.7 in) | 45.0 cm (17.7 in) |
| น้ำหนัก | 104.0 g (3.67 oz) | 111.25 g (3.92 oz) |
| อาหาร | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Aerial insectivore; hawks moths and beetles in nocturnal flight over Atlantic Forest grassland and scrub. |
| จำนวนไข่ | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Long-trained Nightjar
Loud, resonant 'chuck' or 'tuck' notes; hollow knocking quality; calls from Atlantic Forest edge at night; males perform aerial display; alarm a rapid staccato bark
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Long-trained Nightjar
Endemic to southeastern Brazil (São Paulo, Minas Gerais, Rio de Janeiro); resident of Atlantic forest edge; vulnerable due to deforestation.
สถานะการอนุรักษ์
Heinrich's Nightjar
Long-trained Nightjar
How to Tell Them Apart
Heinrich's Nightjar
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.
Long-trained Nightjar
Male with extremely elongated outer tail feathers forming long train up to 60 cm; dark brown with buff and rufous mottling; white throat; white wing bar. Female lacks elongated tail; …
About These Birds
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.
Long-trained Nightjar
A large Caprimulgidae nightjar (~111 g) of subtropical Atlantic forest and open country in southeastern Brazil. Males have extraordinary forked tails extending far beyond body length. Inhabits forest edges and clearings in Atlantic Forest remnants. Feeds on moths and large insects. Least Concern; some decline with deforestation.