Philby's Partridge vs Crested Partridge

Alectoris philbyi comparado con Rollulus rouloul

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Side-by-Side Comparison

Atributo Philby's Partridge Crested Partridge
Nombre científico Alectoris philbyi Rollulus rouloul
Orden Galliformes Galliformes
Familia Phasianidae Phasianidae
Estado de conservación Least Concern Vulnerable
Longitud
Envergadura 32,2 cm (12.7 in) 27,2 cm (10.7 in)
Peso 441,0 g (15.56 oz) 250,5 g (8.84 oz)
Dieta Feeds on seeds, shoots, berries, and invertebrates in rocky terrain of the Arabian Peninsula. Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches …
Tamaño de la puesta 8-10 4-6
Population Trend
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Habitat Comparison

Hábitats compartidos

Ninguno

Philby's Partridge only

Ninguno

Crested Partridge only

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Song & Call Comparison

Philby's Partridge

Canto

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 …

Crested Partridge

Canto

High-pitched, thin whistled 'seee' repeated persistently; metallic and insect-like. Males call from forest floor, rarely seen. Alarm is an explosive low grunt followed by rapid wing beats.

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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.

Crested Partridge

Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.

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Estado de conservación

Least Concern

Philby's Partridge

Vulnerable

Crested Partridge

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How to Tell Them Apart

Philby's Partridge

Plumaje

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 …

Crested Partridge

Plumaje

Male is dark glossy green-black with vivid red-crimson erectile crest; red orbital skin; chestnut wings. Female is entirely bright emerald green with brown wings, red legs, and grey head; among …

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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.

Crested Partridge

A small partridge (~250 g) of family Phasianidae, males with vivid crimson crest and iridescent green plumage. Found in lowland tropical rainforests of Southeast Asia including Thailand, Malaysia, Sumatra, and Borneo. Forages on the forest floor for fallen seeds, fruits, and invertebrates. Vulnerable; dependent on primary lowland forest, heavily impacted by deforestation and palm oil expansion.

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