Sunda Frogmouth vs Sumatran Frogmouth
Batrachostomus cornutus в сравнении с Batrachostomus poliolophus
Side-by-Side Comparison
| Характеристика | Sunda Frogmouth | Sumatran Frogmouth |
|---|---|---|
| Научное название | Batrachostomus cornutus | Batrachostomus poliolophus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Podargidae | Podargidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 26,7 cm (10.5 in) | 24,1 cm (9.5 in) |
| Масса | 46,3 g (1.63 oz) | 46,3 g (1.63 oz) |
| Питание | Nocturnal forager on large insects and small lizards; sallies from perches to ground in dense … | Night hunter detecting prey by sound; takes large beetles, frogs, and lizards in swift pouncing … |
| Размер кладки | 1 | 1 |
| 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
Sumatran Frogmouth
High melodic whistle; 'kee-wii' repeated softly at night; Sumatran highland forest endemic; rarely recorded; higher-pitched than lowland frogmouths; pairs call together
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.
Sumatran Frogmouth
Endemic to the highlands of Sumatra at 800–2,000 m. Found in submontane and montane rainforest. Rare and seldom recorded.
Охранный статус
Sunda Frogmouth
Sumatran 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 …
Sumatran Frogmouth
Males grey with fine black stippling and white scapular row; pale grey crown slightly paler than back; females rufous-cinnamon with white-spotted coverts; Sumatran endemic with noticeably pale grey crown distinguishing …
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.
Sumatran Frogmouth
A medium-sized frogmouth (23-26 cm) endemic to montane forests of Sumatra, Indonesia, above 900 m elevation. Rufous-brown plumage with fine whitish markings. Nocturnal insectivore of dense undergrowth. Poorly known; classified as Near Threatened due to forest loss.