Taiwan Bamboo-partridge vs Crested Partridge

Bambusicola sonorivox compared with Rollulus rouloul

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Side-by-Side Comparison

Attribute Taiwan Bamboo-partridge Crested Partridge
Scientific Name Bambusicola sonorivox Rollulus rouloul
Order Galliformes Galliformes
Family Phasianidae Phasianidae
Conservation Status Least Concern Vulnerable
Length
Wingspan 25.9 cm (10.2 in) 27.2 cm (10.7 in)
Weight 264.0 g (9.31 oz) 250.5 g (8.84 oz)
Diet Omnivorous; eats seeds, berries, and invertebrates in Taiwan's bamboo forests and scrubby hillsides. Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches …
Clutch Size -- 4-6
Population Trend
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Habitat Comparison

Shared Habitats

Taiwan Bamboo-partridge only

None

Crested Partridge only

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Song & Call Comparison

Taiwan Bamboo-partridge

Song

Loud, rattling 'ji-ji-ji-JERK' calls; Taiwan endemic similar to Chinese Bamboo-partridge but louder with distinct inflection. Alarm is rapid cackle. Common in Taiwan mountain bamboo.

Crested Partridge

Song

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

Taiwan Bamboo-partridge

Endemic to Taiwan; resident of bamboo thickets, secondary scrub, and forest edge from lowlands to 2,300 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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Conservation Status

Least Concern

Taiwan Bamboo-partridge

Vulnerable

Crested Partridge

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How to Tell Them Apart

Taiwan Bamboo-partridge

Plumage

Similar to Chinese Bamboo-partridge but warmer toned; richer chestnut on flanks and breast; brown upperparts with olive tinge; grey supercilium; rufous tail; white belly. Endemic to Taiwan; sexes similar.

Crested Partridge

Plumage

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

Taiwan Bamboo-partridge

A small Phasianidae partridge (~264 g) endemic to bamboo forests and secondary woodland of Taiwan. Very similar to the Chinese Bamboo-partridge but considered a distinct island species based on vocalisations and genetics. Gregarious; feeds on seeds and invertebrates. Locally abundant; 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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