Lesser Nighthawk vs Pauraque
Chordeiles acutipennis เปรียบเทียบกับ Nyctidromus albicollis
Side-by-Side Comparison
| คุณสมบัติ | Lesser Nighthawk | Pauraque |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Chordeiles acutipennis | Nyctidromus albicollis |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 33.0 cm (13.0 in) | 30.2 cm (11.9 in) |
| น้ำหนัก | 50.0 g (1.76 oz) | 54.275 g (1.91 oz) |
| อาหาร | Hawks small flying insects at dusk and dawn over North and South American arid scrub … | Nocturnal aerial insectivore; hawks moths, beetles, and flying insects over Neotropical forest edges and clearings. |
| จำนวนไข่ | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Pauraque
Loud, whistled 'wh-WHEER' or 'come-to-me'; clear melodic quality; rich, slurred whistle carrying through lowland forest; alarm a harsh bark; common sound at dusk
Geographic Range & Migration
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
Pauraque
Widespread resident of open woodland, scrub, and forest edge from Texas (USA) south through Central America and tropical South America to Argentina.
สถานะการอนุรักษ์
Lesser Nighthawk
Pauraque
How to Tell Them Apart
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
Pauraque
Brown and rufous mottled above with dark vermiculations; white throat patch bordered by rufous; white outer tail feathers in male; white wing bar visible in flight. Female has buff outer …
About These Birds
Lesser Nighthawk
A small Caprimulgidae nighthawk (~50 g) of deserts, semi-arid scrub, and open woodland from the southwestern United States to Peru and Brazil. Brown-and-buff patterned; males have a white throat bar. Low, buoyant flight close to the ground at dusk. Hunts insects aerially. Migratory; Least Concern.
Pauraque
A medium Caprimulgidae nightjar (~54 g) of forest edges, gardens, and open scrub from Texas south through Central and South America. Distinctively long tail with white outer rectrices; rufous facial patch. Highly vocal at night with loud repeated 'pur-WEE' calls. Feeds on moths and beetles. Least Concern.