Philby's Partridge vs Ferruginous Partridge
Alectoris philbyi в сравнении с Caloperdix oculeus
Side-by-Side Comparison
| Характеристика | Philby's Partridge | Ferruginous Partridge |
|---|---|---|
| Научное название | Alectoris philbyi | Caloperdix oculeus |
| Отряд | Galliformes | Galliformes |
| Семейство | Phasianidae | Phasianidae |
| Охранный статус | Least Concern | Near Threatened |
| Длина | — | — |
| Размах крыльев | 32,2 cm (12.7 in) | 28,3 cm (11.1 in) |
| Масса | 441,0 g (15.56 oz) | 210,5 g (7.43 oz) |
| Питание | Feeds on seeds, shoots, berries, and invertebrates in rocky terrain of the Arabian Peninsula. | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … |
| Размер кладки | 8-10 | 8-10 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Philby's Partridge
Loud 'chuck-chukAR' calls from SW Arabian Peninsula lava fields; similar to Chukar but slightly lower. Alarm is rapid cackling rattle. Calls from rocky lava terrain at dawn. Pairs often call …
Ferruginous Partridge
Sharp, staccato 'krik-krik-krik' calls from lowland rainforest; often given in duet. Alarm is a loud, rapid chattering rattle; contact notes between pairs soft and clucking.
Geographic Range & Migration
Philby's Partridge
Endemic to the mountains of southwestern Saudi Arabia and northwestern Yemen (Asir and Hijaz escarpments), at 1,500–3,000 m.
Ferruginous Partridge
Resident in lowland rainforest of the Thai-Malay Peninsula, Sumatra, and Borneo. Found in flat or gently sloping lowland forest.
Охранный статус
Philby's Partridge
Ferruginous Partridge
How to Tell Them Apart
Philby's Partridge
Differs from other Alectoris: black face and throat contrasting with white supercilium; grey-brown upperparts; bold chestnut and white barred flanks; red bill and legs; grey breast. Endemic to SW Arabian …
Ferruginous Partridge
Rich ferruginous (deep rusty-orange) overall; upperparts black-and-rufous barred; flanks black boldly spotted white; bare red facial skin; underparts rufous-orange; one of the most vividly coloured Southeast Asian partridges.
About These Birds
Philby's Partridge
A medium Phasianidae partridge (~441 g) of barren lava plateaux and rocky escarpments in southwestern Saudi Arabia and Yemen. Grey-brown with a distinctive black forehead stripe and white-spotted flanks. Adapted to extreme aridity. Feeds on dry seeds and invertebrates. Rarely studied; Least Concern.
Ferruginous Partridge
A small partridge (~210 g) of family Phasianidae, with rich ferruginous (rust-red) plumage and spotted black-and-white markings. Inhabits lowland and foothill rainforests in Malaysia, Sumatra, and Borneo. Secretive, foraging on the forest floor for seeds and invertebrates. Near Threatened; associated with primary and tall secondary forest, declining with ongoing logging and land conversion.