Yucatan Nightjar vs Heinrich's Nightjar
Antrostomus badius verglichen mit Eurostopodus diabolicus
Side-by-Side Comparison
| Merkmal | Yucatan Nightjar | Heinrich's Nightjar |
|---|---|---|
| Wissenschaftlicher Name | Antrostomus badius | Eurostopodus diabolicus |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Caprimulgidae | Caprimulgidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 32,6 cm (12.8 in) | 39,9 cm (15.7 in) |
| Gewicht | 58,03333333333333 g (2.05 oz) | 104,0 g (3.67 oz) |
| Ernährung | Nocturnal aerial insectivore; catches moths and flying insects over Yucatan dry forest and scrub. | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| Gelegegröße | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Yucatan Nightjar
Whistled 'WEEP-weep' phrase; clear, melodic call from Yucatan dry forest; repeated steadily at night; lower than Tawny-collared; alarm a sharp bark note
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Yucatan Nightjar
Resident of lowland tropical forest and scrub in the Yucatan Peninsula of Mexico, Belize, and northern Guatemala.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Erhaltungsstatus
Yucatan Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Yucatan Nightjar
Brown and grey mottled above with buff vermiculations; lacks tawny collar of Tawny-collared Nightjar; white gorget in male; pale buff below; white outer tail spots in male; buff tail in …
Heinrich's Nightjar
Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.
About These Birds
Yucatan Nightjar
A medium-small Caprimulgidae nightjar (~58 g) restricted to the Yucatan Peninsula, northern Guatemala, and northern Belize. Inhabits dry deciduous and semi-evergreen forest. Brown-and-buff cryptic plumage. Calls with a repetitive whip-like phrase at night. Feeds on moths and beetles. Least Concern; limited but stable range.
Heinrich's Nightjar
A medium Caprimulgidae nightjar (~104 g) endemic to the forest and forest-edge habitats of Sulawesi, Indonesia. Cryptically patterned brown-and-buff. Nocturnal insectivore; catches moths and beetles in aerial sallies. Little studied and rarely encountered in the field. Least Concern within its Sulawesi range.