Buff-collared Nightjar vs Andaman Nightjar
Antrostomus ridgwayi comparé à Caprimulgus andamanicus
Side-by-Side Comparison
| Attribut | Buff-collared Nightjar | Andaman Nightjar |
|---|---|---|
| Nom scientifique | Antrostomus ridgwayi | Caprimulgus andamanicus |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Caprimulgidae | Caprimulgidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 30,0 cm (11.8 in) | 36,4 cm (14.3 in) |
| Poids | 49,5 g (1.75 oz) | 66,06666666666666 g (2.33 oz) |
| Régime alimentaire | Catches moths and flying insects at night over arid scrub and rocky canyons of Mexico … | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. |
| Taille de la couvée | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buff-collared Nightjar
Rapid, staccato 'cuk-cuk-cuk-WEEEER'; accelerating series ending in long slurred note; carries through arid Mexican canyons; distinctive rapid chucking intro
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
Geographic Range & Migration
Buff-collared Nightjar
Breeds in arid scrub and dry woodland in southwestern USA (Arizona, New Mexico) and western Mexico; winters south to Honduras.
Andaman Nightjar
Endemic to the Philippines including Luzon and Mindanao. Resident in lowland and submontane forest and forest edge up to 1,800 m.
Statut de conservation
Buff-collared Nightjar
Andaman Nightjar
How to Tell Them Apart
Buff-collared Nightjar
Brown and grey mottled with dark vermiculations; buff-orange collar across hindneck diagnostic; white gorget in male; pale buff underparts with dark barring; white outer tail spots in male; arid southwest …
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 …
About These Birds
Buff-collared Nightjar
A medium-small Caprimulgidae nightjar (~50 g) of arid scrub, rocky canyon slopes, and thorn forest from the southwestern United States to Nicaragua. A buff nuchal collar distinguishes it from similar species. Calls with a loud 'cuck-cuck-cuck-coo-chee' phrase. Feeds on moths and beetles. Least Concern.
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.