Yucatan Nightjar vs Heinrich's Nightjar
Antrostomus badius comparado com Eurostopodus diabolicus
Side-by-Side Comparison
| Atributo | Yucatan Nightjar | Heinrich's Nightjar |
|---|---|---|
| Nome científico | Antrostomus badius | Eurostopodus diabolicus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Caprimulgidae | Caprimulgidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 32,6 cm (12.8 in) | 39,9 cm (15.7 in) |
| Peso | 58,03333333333333 g (2.05 oz) | 104,0 g (3.67 oz) |
| Dieta | 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. |
| Tamanho da postura | 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.
Estado de conservação
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.