Mees's Nightjar vs Lesser Nighthawk
Caprimulgus meesi ile kıyaslandığında Chordeiles acutipennis
Side-by-Side Comparison
| Özellik | Mees's Nightjar | Lesser Nighthawk |
|---|---|---|
| Bilimsel Ad | Caprimulgus meesi | Chordeiles acutipennis |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Caprimulgidae | Caprimulgidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 33,6 cm (13.2 in) | 33,0 cm (13.0 in) |
| Ağırlık | 66,2 g (2.34 oz) | 50,0 g (1.76 oz) |
| Beslenme | Crepuscular and nocturnal aerial insectivore; pursues moths and flying beetles over grassland and woodland margins. | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Kuluçka Büyüklüğü | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Mees's Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Mees's Nightjar
Churring trill from Wallacean islands; repetitive hollow call; closely related to Large-tailed Nightjar; calls from coastal scrub and open woodland at dusk
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
Geographic Range & Migration
Mees's Nightjar
Endemic to the Lesser Sunda Islands of Indonesia, primarily Timor. Resident in lowland forest, open woodland, and savanna.
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.
Koruma Durumu
Mees's Nightjar
Lesser Nighthawk
How to Tell Them Apart
Mees's Nightjar
Brown-grey upperparts with blackish crown streaks and pale buff mottling; buff-white supercilium; white chin patch; underparts barred pale buff and brown; closely resembles Large-tailed Nightjar but marginally paler.
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 …
About These Birds
Mees's Nightjar
A recently split nightjar (24-26 cm) from the Lesser Sunda Islands of Indonesia. Closely related to the Large-tailed Nightjar but with subtly different vocalizations and plumage tones. Nocturnal insectivore of lowland forests and forest edges.
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.