Blyth's Frogmouth vs Palawan frogmouth
Batrachostomus affinis verglichen mit Batrachostomus chaseni
Side-by-Side Comparison
| Merkmal | Blyth's Frogmouth | Palawan frogmouth |
|---|---|---|
| Wissenschaftlicher Name | Batrachostomus affinis | Batrachostomus chaseni |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Podargidae | Podargidae |
| Erhaltungsstatus | Not Evaluated | Not Evaluated |
| Länge | — | — |
| Flügelspannweite | — | — |
| Gewicht | 47,8 g (1.69 oz) | 40,0 g (1.41 oz) |
| Ernährung | Night-active insectivore feeding on large beetles, moths, and crickets; drops from low branches to capture … | Crepuscular hunter of large beetles and other insects; uses wide gape to engulf prey flushed … |
| Gelegegröße | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blyth's Frogmouth
Soft, repeated hooting whistle; 'wooo' calls from lowland Indochina forest; gentle pitch; calls at night from dense undergrowth; closely related to Horsfield's Frogmouth
Palawan frogmouth
High, thin melodic whistle; calls at night from Palawan island forest; poorly documented endemic; presumed similar to Philippine Frogmouth in vocal quality
Geographic Range & Migration
Blyth's Frogmouth
Found in the Thai-Malay Peninsula, Sumatra, and Borneo in lowland forest and peat swamp forest. Closely related to Horsfield's Frogmouth.
Palawan frogmouth
Endemic to Palawan Island in the western Philippines. Resident in lowland and hill forest up to 1,200 m. Rare; restricted to Palawan.
Erhaltungsstatus
Blyth's Frogmouth
Palawan frogmouth
How to Tell Them Apart
Blyth's Frogmouth
Males brown-grey with dark vermiculations and white scapular spots; females rufous-buff with spotted coverts; Sundaland frogmouth recently split from Horsfield's; differs in marginally warmer brown tone and distribution.
Palawan frogmouth
Males greyish-brown with fine dark vermiculations and white scapular spotting; females rufous with white-spotted wing coverts; Palawan Island endemic; plumage closely resembles Philippine Frogmouth but restricted to single island.
About These Birds
Blyth's Frogmouth
A medium-sized frogmouth (23-25 cm) found in lowland forests from Myanmar through mainland Southeast Asia to Borneo. Brown plumage with pale collar. Nocturnal insectivore. Closely related to Horsfield's Frogmouth. Inhabits primary and secondary forest undergrowth.
Palawan frogmouth
A medium-sized frogmouth endemic to the island of Palawan in the Philippines. Dark rufous-brown plumage. Nocturnal insectivore of lowland primary forest. One of the least known frogmouths. Named after Frederick Chasen. Limited ecological data available.