Slender-tailed Nightjar vs Antillean Nighthawk
Caprimulgus clarus ile kıyaslandığında Chordeiles gundlachii
Side-by-Side Comparison
| Özellik | Slender-tailed Nightjar | Antillean Nighthawk |
|---|---|---|
| Bilimsel Ad | Caprimulgus clarus | Chordeiles gundlachii |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Caprimulgidae | Caprimulgidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 29,6 cm (11.7 in) | 34,2 cm (13.5 in) |
| Ağırlık | 43,0 g (1.52 oz) | 56,05 g (1.98 oz) |
| Beslenme | Nocturnal aerial insectivore specialising in large moths and flying beetles, caught in slow erratic hunting … | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| Kuluçka Büyüklüğü | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Slender-tailed Nightjar only
Antillean Nighthawk only
Song & Call Comparison
Slender-tailed Nightjar
Rapid churring trill; 'trrr-trrr' at steady pace; calls from East African dry scrub at night; lighter than Long-tailed Nightjar; alarm a quiet 'chek'
Antillean Nighthawk
Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear
Geographic Range & Migration
Slender-tailed Nightjar
Found from Angola and the DRC south through Zambia and Zimbabwe to South Africa. Resident in woodland and savanna near rocky outcrops.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Koruma Durumu
Slender-tailed Nightjar
Antillean Nighthawk
How to Tell Them Apart
Slender-tailed Nightjar
Pale brown upperparts with black streaks and buff-white spotting; whitish supercilium; white throat patch; underparts buff barred brown; males have elongated but narrower tail feathers than Long-tailed Nightjar.
Antillean Nighthawk
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 …
About These Birds
Slender-tailed Nightjar
A slender nightjar (24-27 cm including elongated tail) of open grassland and woodland edges in eastern and southern Africa. Similar to Long-tailed Nightjar but with paler plumage and finer markings. Nocturnal insectivore. Resident or short-distance migrant.
Antillean Nighthawk
A small Caprimulgidae nighthawk (~56 g) of open scrub, savannas, and coastal habitats in the Caribbean from Cuba and Hispaniola to Puerto Rico and the Virgin Islands. Very similar to the Common Nighthawk but separated by voice. Migratory; winters in South America. Aerial insectivore; Least Concern.