Heinrich's Nightjar vs White-throated Nightjar
Eurostopodus diabolicus comparado con Eurostopodus mystacalis
Side-by-Side Comparison
| Atributo | Heinrich's Nightjar | White-throated Nightjar |
|---|---|---|
| Nombre científico | Eurostopodus diabolicus | Eurostopodus mystacalis |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Caprimulgidae | Caprimulgidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 39,9 cm (15.7 in) | 50,4 cm (19.8 in) |
| Peso | 104,0 g (3.67 oz) | 138,25 g (4.88 oz) |
| Dieta | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Catches large flying insects, especially moths and beetles, in aerial sallies over Australian and Pacific … |
| Tamaño de la puesta | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Heinrich's Nightjar only
Ninguno
White-throated Nightjar only
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
White-throated Nightjar
Resonant, churring song; rapid 'good-lord-deliver-us' or 'chaw-chaw-chaw'; low, bubbling trill carrying through rainforest; softer than related species
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
White-throated Nightjar
Resident of open woodland and scrub in eastern and northern Australia; also found on offshore islands and in southern New Guinea.
Estado de conservación
Heinrich's Nightjar
White-throated Nightjar
How to Tell Them Apart
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.
White-throated Nightjar
Grey-brown with rufous and black mottling; large bold white throat patch distinctive; no white wing spots or tail markings; well-camouflaged on bark. Male and female similar; one of the larger …
About These Birds
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.
White-throated Nightjar
Chotacabras de bigotes blancos, 30-32 cm. Moteado críptico pardo y negro, bigotes blancos visibles. Australia y Nueva Guinea. Insectívoro nocturno. Preocupación menor.