Dulit Frogmouth vs Hodgson's Frogmouth
Batrachostomus harterti เปรียบเทียบกับ Batrachostomus hodgsoni
Side-by-Side Comparison
| คุณสมบัติ | Dulit Frogmouth | Hodgson's Frogmouth |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Batrachostomus harterti | Batrachostomus hodgsoni |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Podargidae | Podargidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 48.4 cm (19.1 in) | 26.6 cm (10.5 in) |
| น้ำหนัก | 206.0 g (7.27 oz) | 51.0 g (1.80 oz) |
| อาหาร | Nocturnal carnivore feeding on large beetles, worms, and small lizards; also takes moths in low … | Nocturnal insectivore and occasional small-vertebrate predator; hunts by still-perch and drop technique onto large prey. |
| จำนวนไข่ | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dulit Frogmouth
Soft hooting whistle; mellow repeated 'hoo-hoo'; calls from Bornean montane forest; similar to Large Frogmouth but higher-pitched; rarely recorded; call easily missed
Hodgson's Frogmouth
Soft, whistled 'whoo-whoo'; gentle mellow hoot from Himalayan forest; calls at dusk and night; pairs duet with slightly different pitch; alarm a prolonged hiss
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.
Hodgson's Frogmouth
Found from northeastern India through Myanmar, Thailand, and Indochina. Resident in foothill and hill forest at 300–2,000 m elevation.
สถานะการอนุรักษ์
Dulit Frogmouth
Hodgson's Frogmouth
How to Tell Them Apart
Dulit Frogmouth
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.
Hodgson's Frogmouth
Males grey-brown with dense dark vermiculations and bold white scapular spots; females rufous-chestnut with white-spotted wing coverts; relatively large Batrachostomus; ranges across Himalayan foothills and mainland Southeast Asia.
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.
Hodgson's Frogmouth
A medium-sized frogmouth (24-27 cm) found in foothill and montane forests of the eastern Himalayas and Southeast Asia. Brown plumage with bold white spotting. Nocturnal insectivore of dense forest undergrowth. Found at elevations of 300-2,000 m.