Dulit Frogmouth vs Papuan Frogmouth

Batrachostomus harterti comparado com Podargus papuensis

Side-by-Side Comparison

Atributo Dulit Frogmouth Papuan Frogmouth
Nome científico Batrachostomus harterti Podargus papuensis
Ordem Caprimulgiformes Caprimulgiformes
Família Podargidae Podargidae
Estado de conservação Least Concern Least Concern
Comprimento
Envergadura 48,4 cm (19.1 in) 57,9 cm (22.8 in)
Peso 206,0 g (7.27 oz) 389,1666666666667 g (13.73 oz)
Dieta Nocturnal carnivore feeding on large beetles, worms, and small lizards; also takes moths in low … Night hunter feeding primarily on large invertebrates and occasionally small lizards by perch-and-pounce technique.
Tamanho da postura -- 1-2
Population Trend

Habitat Comparison

Habitats partilhados

Dulit Frogmouth only

Nenhum

Papuan Frogmouth only

Song & Call Comparison

Dulit Frogmouth

Canto

Soft hooting whistle; mellow repeated 'hoo-hoo'; calls from Bornean montane forest; similar to Large Frogmouth but higher-pitched; rarely recorded; call easily missed

Papuan Frogmouth

Canto

Deep, booming 'oom-oom'; resonant hollow hoots from New Guinea rainforest; very large bird produces powerful low-frequency calls; alarm a loud hiss; calls at night

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.

Papuan Frogmouth

Found across New Guinea and adjacent islands. Resident in lowland and hill forest, forest edge, and secondary growth up to 1,500 m.

Estado de conservação

Least Concern

Dulit Frogmouth

Least Concern

Papuan Frogmouth

How to Tell Them Apart

Dulit Frogmouth

Plumagem

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.

Papuan Frogmouth

Plumagem

Large; grey-brown upperparts finely vermiculated with black and buff; underparts pale grey-buff finely streaked and barred; prominent yellow eyes; females often more rufous-brown; largest frogmouth species in the Papuan region.

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.

Papuan Frogmouth

The largest frogmouth (50-60 cm) found in New Guinea and surrounding islands. Rufous-brown plumage with white spots and vermiculations. Massive bill and large red or yellow eyes. Nocturnal insectivore of lowland and hill forests, feeding on large insects and small vertebrates.

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