Double-banded Sandgrouse vs Black-faced Sandgrouse
Pterocles bicinctus so với Pterocles decoratus
Side-by-Side Comparison
| Thuộc Tính | Double-banded Sandgrouse | Black-faced Sandgrouse |
|---|---|---|
| Tên Khoa Học | Pterocles bicinctus | Pterocles decoratus |
| Bộ | Pterocliformes | Pterocliformes |
| Họ | Pteroclidae | Pteroclidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 34,1 cm (13.4 in) | 32,2 cm (12.7 in) |
| Khối Lượng | 233,8 g (8.25 oz) | 180,83333333333334 g (6.38 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 2-3 |
| Population Trend | — | — |
Song & Call Comparison
Double-banded Sandgrouse
Deep, resonant cooing call; rich notes with gentle quality carrying across open African terrain. Vocalization pattern typical of this species in its native habitat.
Black-faced Sandgrouse
Loud, carrying call with resonant quality; deep notes carrying well across dry open terrain. Vocalization pattern typical of this species in its native habitat.
Tình Trạng Bảo Tồn
Double-banded Sandgrouse
Black-faced Sandgrouse
How to Tell Them Apart
Double-banded Sandgrouse
Double-banded Sandgrouse: two dark belly bands; sandy-brown above; dimorphic; males with black-white forehead; African species
Black-faced Sandgrouse
Black-faced Sandgrouse: males with black-white face pattern; sandy-brown above; chestnut belly band; dimorphic; East African species
About These Birds
Double-banded Sandgrouse
Double-banded Sandgrouse (Pterocles bicinctus) — 24–28 cm. Brown and buff; male with two bold black-and-white breast bands; fine barring above. Inhabits open dry woodland and savanna of southern Africa. Granivore; forms small flocks; drinks nocturnally at waterholes. Male belly-soaks for chicks.
Black-faced Sandgrouse
Black-faced Sandgrouse (Pterocles decoratus) — 24–28 cm. Brown and buff barred pattern; male with distinctive black-and-white facial mask; short tail. Inhabits dry bush and open semi-arid country in East Africa from Somalia to Tanzania. Granivore; gregarious drinker.