Feline Owlet-nightjar vs Wallace's Owlet-nightjar
Aegotheles insignis в сравнении с Aegotheles wallacii
Side-by-Side Comparison
| Характеристика | Feline Owlet-nightjar | Wallace's Owlet-nightjar |
|---|---|---|
| Научное название | Aegotheles insignis | Aegotheles wallacii |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Aegothelidae | Aegothelidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 33,0 cm (13.0 in) | 23,8 cm (9.4 in) |
| Масса | 76,53333333333333 g (2.70 oz) | 49,9 g (1.76 oz) |
| Питание | Nocturnal insectivore catching beetles and moths in short sallying flights; also gleans invertebrates from tree … | Crepuscular insectivore feeding on large beetles and moths; hunts with combined aerial sallies and surface … |
| Размер кладки | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Feline Owlet-nightjar
Cat-like mewing 'meeow' calls; high, eerie shrieks; cat-like quality unique among nightjars; calls from New Guinea highland forest at night; alarm a hissing screech
Wallace's Owlet-nightjar
Soft churring trill; 'churr' from New Guinea lowland forest; moderate pitch; calls at night from hollow tree roost sites; alarm a rapid staccato chatter
Geographic Range & Migration
Feline Owlet-nightjar
Found in New Guinea from sea level to 2,400 m. Resident in lowland rainforest, hill forest, and lower montane moss forest.
Wallace's Owlet-nightjar
Found in New Guinea and the Aru Islands in lowland and hill forest up to 1,200 m. Resident in primary and secondary tropical forest.
Охранный статус
Feline Owlet-nightjar
Wallace's Owlet-nightjar
How to Tell Them Apart
Feline Owlet-nightjar
Large; rufous-brown upperparts with dark brown barring; underparts pale buff with dark brown barring throughout; facial disc bordered dark; two colour morphs—rufous and grey-brown; largest owlet-nightjar with somewhat cat-like facial …
Wallace's Owlet-nightjar
Grey-brown upperparts with dark brown barring and pale buff freckling; underparts pale buff barred brown; facial disc with dark border; Papuan species showing typical owlet-nightjar coloration with moderately contrasting barring.
About These Birds
Feline Owlet-nightjar
A large owlet-nightjar (28-30 cm), the biggest in its family. Found in montane forests of New Guinea at 1,500-3,800 m elevation. Dark barred plumage with a cat-like facial disc. Nocturnal insectivore. Its vernacular name refers to its feline facial appearance.
Wallace's Owlet-nightjar
A medium-sized owlet-nightjar (23-25 cm) found in lowland forests of New Guinea and the Aru Islands. Dark brown plumage with barred underparts. Nocturnal insectivore of dense forest undergrowth. Named after Alfred Russel Wallace. Poorly studied in the wild.