Sunda Frogmouth vs Horsfield's Frogmouth
Batrachostomus cornutus в сравнении с Batrachostomus javensis
Side-by-Side Comparison
| Характеристика | Sunda Frogmouth | Horsfield's Frogmouth |
|---|---|---|
| Научное название | Batrachostomus cornutus | Batrachostomus javensis |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Podargidae | Podargidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 26,7 cm (10.5 in) | 22,2 cm (8.7 in) |
| Масса | 46,3 g (1.63 oz) | 46,333333333333336 g (1.63 oz) |
| Питание | Nocturnal forager on large insects and small lizards; sallies from perches to ground in dense … | Feeds nocturnally on large beetles, millipedes, and worms; occasionally takes small lizards by ground-pouncing. |
| Размер кладки | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sunda Frogmouth
Soft 'koo-koo' or melodic hooting; moderate pitch; calls from Sundaic lowland forest at night; pairs duet with answering calls; alarm a sharp hiss; ventriloquial quality
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
Sunda Frogmouth
Found on Borneo, Sumatra, and adjacent small islands in lowland and hill rainforest below 1,000 m. Uncommon primary forest resident.
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.
Охранный статус
Sunda Frogmouth
Horsfield's Frogmouth
How to Tell Them Apart
Sunda Frogmouth
Males brown-grey finely stippled with black and bearing white scapular spots; small white feather tufts above eye form horn-like projections; females rufous-chestnut with white spots; Sundaic species uniquely decorated with …
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
Sunda Frogmouth
A medium-sized frogmouth (23-28 cm) found in lowland rainforests of Borneo, Sumatra, and Java. Dark brown plumage with small ear-tufts. Nocturnal insectivore of forest interior. Distinguished from other Asian frogmouths by its horn-like feather tufts above the eyes.
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.