Swamp Nightjar vs Antillean Nighthawk
Caprimulgus natalensis so với Chordeiles gundlachii
Side-by-Side Comparison
| Thuộc Tính | Swamp Nightjar | Antillean Nighthawk |
|---|---|---|
| Tên Khoa Học | Caprimulgus natalensis | Chordeiles gundlachii |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 30,6 cm (12.0 in) | 34,2 cm (13.5 in) |
| Khối Lượng | 76,3 g (2.69 oz) | 56,05 g (1.98 oz) |
| Chế Độ Ăn | Night-active aerial insectivore catching moths, beetles, and grasshoppers in sustained low-altitude hunting flights. | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| Số Trứng | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Swamp Nightjar only
Antillean Nighthawk only
Song & Call Comparison
Swamp Nightjar
Mellow churring trill; softer 'frog-like' chrrr from wetland margins; calls from papyrus and reed beds in Africa; lower and rounder than dryland nightjars
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
Swamp Nightjar
Known from a single wing found in Ethiopia's Nechisar National Park. Possibly extinct; range and taxonomy uncertain. Critically Endangered.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Tình Trạng Bảo Tồn
Swamp Nightjar
Antillean Nighthawk
How to Tell Them Apart
Swamp Nightjar
Relatively large; dark brown upperparts with heavy blackish streaking and pale buff spotting; broad white throat patch; underparts barred buff and dark brown; often shows paler underpart ground colour than …
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
Swamp Nightjar
A medium-sized nightjar (23-24 cm) found in moist grasslands, marshes, and vleis across sub-Saharan Africa. Warm brown plumage with distinctive white throat patches. Nocturnal insectivore that roosts on the ground in tall grass. Resident, locally nomadic during dry seasons.
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.