Blyth's Frogmouth vs Horsfield's Frogmouth
Batrachostomus affinis verglichen mit Batrachostomus javensis
Side-by-Side Comparison
| Merkmal | Blyth's Frogmouth | Horsfield's Frogmouth |
|---|---|---|
| Wissenschaftlicher Name | Batrachostomus affinis | Batrachostomus javensis |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Podargidae | Podargidae |
| Erhaltungsstatus | Not Evaluated | Least Concern |
| Länge | — | — |
| Flügelspannweite | — | 22,2 cm (8.7 in) |
| Gewicht | 47,8 g (1.69 oz) | 46,333333333333336 g (1.63 oz) |
| Ernährung | Night-active insectivore feeding on large beetles, moths, and crickets; drops from low branches to capture … | Feeds nocturnally on large beetles, millipedes, and worms; occasionally takes small lizards by ground-pouncing. |
| 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
Horsfield's Frogmouth
Melodic 'choo-choo-choo' or plaintive whistle; repeated soft notes; calls from Javan and Philippine forest at night; pitch moderate; pairs often answer each other
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.
Horsfield's Frogmouth
Found from the Thai-Malay Peninsula through Sumatra, Java, and Borneo to the Philippines. Resident in lowland and hill forest below 1,000 m.
Erhaltungsstatus
Blyth's Frogmouth
Horsfield's 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.
Horsfield's Frogmouth
Males grey-brown with black freckling and white scapular spots; females warm tawny-rufous with bold white-spotted wing coverts; smallest of the Southeast Asian frogmouths; Javan endemic with finely patterned cryptic plumage.
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.
Horsfield's Frogmouth
A medium-sized frogmouth (21-25 cm) found in lowland and foothill forests of the Malay Peninsula, Sumatra, Java, and Borneo. Dark brown plumage with rufous breast band. Nocturnal insectivore of dense forest undergrowth. Often detected by its distinctive whistled call.