Andaman Nightjar vs Swamp Nightjar
Caprimulgus andamanicus в сравнении с Caprimulgus natalensis
Side-by-Side Comparison
| Характеристика | Andaman Nightjar | Swamp Nightjar |
|---|---|---|
| Научное название | Caprimulgus andamanicus | Caprimulgus natalensis |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 36,4 cm (14.3 in) | 30,6 cm (12.0 in) |
| Масса | 66,06666666666666 g (2.33 oz) | 76,3 g (2.69 oz) |
| Питание | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Night-active aerial insectivore catching moths, beetles, and grasshoppers in sustained low-altitude hunting flights. |
| Размер кладки | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Andaman Nightjar
Loud 'chuck-chuck-trrr'; hollow knocking prefix followed by trill; endemic to Andaman Islands; calls at night from forest edges and clearings; similar to Large-tailed
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
Geographic Range & Migration
Andaman Nightjar
Endemic to the Philippines including Luzon and Mindanao. Resident in lowland and submontane forest and forest edge up to 1,800 m.
Swamp Nightjar
Known from a single wing found in Ethiopia's Nechisar National Park. Possibly extinct; range and taxonomy uncertain. Critically Endangered.
Охранный статус
Andaman Nightjar
Swamp Nightjar
How to Tell Them Apart
Andaman Nightjar
Warm rufous-brown upperparts with black-centred scapulars and pale buff streaks; broad white throat patch; males show white outer tail feathers; underparts buff barred brown; endemic island coloration slightly warmer than …
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 …
About These Birds
Andaman Nightjar
A medium-sized nightjar (24-26 cm) endemic to the Andaman Islands in the Bay of Bengal. Dark brown plumage with rufous collar spots. Nocturnal insectivore of lowland and mangrove forests. A sedentary species with a restricted island range.
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.