Mountain Owlet-nightjar vs Feline Owlet-nightjar
Aegotheles albertisi в сравнении с Aegotheles insignis
Side-by-Side Comparison
| Характеристика | Mountain Owlet-nightjar | Feline Owlet-nightjar |
|---|---|---|
| Научное название | Aegotheles albertisi | Aegotheles insignis |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Aegothelidae | Aegothelidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 22,8 cm (9.0 in) | 33,0 cm (13.0 in) |
| Масса | 37,6 g (1.33 oz) | 76,53333333333333 g (2.70 oz) |
| Питание | Nocturnal beetle and moth specialist; forages by short aerial pursuits and occasionally picks invertebrates from … | Nocturnal insectivore catching beetles and moths in short sallying flights; also gleans invertebrates from tree … |
| Размер кладки | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mountain Owlet-nightjar
High-pitched churring trill; rapid 'cheerr-cheerr' from New Guinea mountains; calls at night from montane forest; alarm a sharp rapid chatter; higher than lowland species
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
Geographic Range & Migration
Mountain Owlet-nightjar
Found in the mountains of New Guinea at 1,200–3,700 m. Resident in montane rainforest and moss forest. Widespread in New Guinea highlands.
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.
Охранный статус
Mountain Owlet-nightjar
Feline Owlet-nightjar
How to Tell Them Apart
Mountain Owlet-nightjar
Rufous-brown upperparts with dark blackish barring; underparts pale buff barred dark brown; facial disc with dark border lines; New Guinea montane species with warm rufous tones distinguishing it from lowland …
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 …
About These Birds
Mountain Owlet-nightjar
A medium-sized owlet-nightjar (21-24 cm) found in montane forests of New Guinea at 1,200-3,700 m elevation. Variable plumage with rufous and grey morphs. Nocturnal insectivore, feeding on beetles and moths near the ground. One of the more commonly encountered New Guinea owlet-nightjars.
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.