Mexican Whip-poor-will vs Archbold's Nightjar
Antrostomus arizonae comparé à Eurostopodus archboldi
Side-by-Side Comparison
| Attribut | Mexican Whip-poor-will | Archbold's Nightjar |
|---|---|---|
| Nom scientifique | Antrostomus arizonae | Eurostopodus archboldi |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Caprimulgidae | Caprimulgidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 31,9 cm (12.6 in) | 41,0 cm (16.1 in) |
| Poids | 47,45 g (1.67 oz) | 77,0 g (2.72 oz) |
| Régime alimentaire | Hawks moths, beetles, and flying insects at night over pine-oak forest of Mexico and SW … | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| Taille de la couvée | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mexican Whip-poor-will
Clear 'whip-poor-WILL'; similar to Eastern but slightly higher in pitch; calls from pine-oak highlands of Mexico; burry whistled quality; repeated persistently at night
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
Geographic Range & Migration
Mexican Whip-poor-will
Breeds in pine-oak highland forest in the mountains of Mexico and Central America; partially migratory at higher elevations.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
Statut de conservation
Mexican Whip-poor-will
Archbold's Nightjar
How to Tell Them Apart
Mexican Whip-poor-will
Grey-brown and buff mottled above with dark vermiculations; white gorget in male; pale buff barred underparts; white outer tail tips in male; recently split from Eastern Whip-poor-will; slightly browner tones …
Archbold's Nightjar
Brown and dark grey with rufous-buff vermiculations; whitish throat patch; pale buff supercilium contrasts with darker crown; no white wing or tail patches; tail barred; New Guinea highlands; few records.
About These Birds
Mexican Whip-poor-will
A medium-small Caprimulgidae nightjar (~47 g) of pine-oak forests in the mountains of Arizona, New Mexico, and western Mexico. Recently split from the Eastern Whip-poor-will on morphological and vocal grounds. Calls with the same 'whip-poor-will' phrase. Feeds on moths and beetles nocturnally. Least Concern.
Archbold's Nightjar
A small Caprimulgidae nightjar (~77 g) known from subalpine grasslands and forest margins in the interior mountains of New Guinea. Named after naturalist Richard Archbold. Cryptic brown-patterned plumage. Nocturnal insectivore. Infrequently observed; biology largely undescribed. Least Concern in its montane range.