Dulit Frogmouth vs Solomons Frogmouth
Batrachostomus harterti compared with Rigidipenna inexpectata
Side-by-Side Comparison
| Attribute | Dulit Frogmouth | Solomons Frogmouth |
|---|---|---|
| Scientific Name | Batrachostomus harterti | Rigidipenna inexpectata |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Podargidae | Podargidae |
| Conservation Status | Least Concern | Near Threatened |
| Length | — | — |
| Wingspan | 48.4 cm (19.1 in) | 38.4 cm (15.1 in) |
| Weight | 206.0 g (7.27 oz) | 188.0 g (6.63 oz) |
| Diet | Nocturnal carnivore feeding on large beetles, worms, and small lizards; also takes moths in low … | Night-active predator catching large invertebrates (beetles, worms, centipedes) and occasionally small frogs by pouncing from … |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dulit Frogmouth
Soft hooting whistle; mellow repeated 'hoo-hoo'; calls from Bornean montane forest; similar to Large Frogmouth but higher-pitched; rarely recorded; call easily missed
Solomons Frogmouth
Hollow hooting call from Solomon Islands forest; resonant 'boop-boop' at night; endemic to Guadalcanal; vocalizations rarely documented; soft frog-like quality
Geographic Range & Migration
Dulit Frogmouth
Endemic to the highlands of Borneo at 900–2,500 m. Found in montane forest on Gunung Dulit and other ranges in Sarawak and Sabah. Rare.
Solomons Frogmouth
Endemic to the Solomon Islands in the southwestern Pacific. Found in lowland rainforest on major islands including Bougainville and Guadalcanal.
Conservation Status
Dulit Frogmouth
Solomons Frogmouth
How to Tell Them Apart
Dulit Frogmouth
Males dark grey with black vermiculations and white-spotted scapulars; females deep rufous-chestnut with white-spotted coverts; Borneo montane endemic; strongly dimorphic with male grey and female rufous patterns contrasting sharply.
Solomons Frogmouth
Dark rufous-brown upperparts with black streaks and pale buff mottling; underparts buff barred dark brown; stiff rectrices unique in frogmouths; Solomon Islands endemic distinguished by rigid tail feathers and rich …
About These Birds
Dulit Frogmouth
A medium-sized frogmouth (25-27 cm) endemic to montane forests of northern Borneo. Dark brown plumage. Nocturnal insectivore. One of the rarest and least known frogmouths, known from very few specimens. Limited information on ecology and behavior.
Solomons Frogmouth
A medium-sized frogmouth (25-29 cm) endemic to the Solomon Islands. Dark brown plumage. Nocturnal insectivore of lowland rainforest. One of the least known birds in its family due to its remote island range. Limited ecological data available.