Ferruginous Partridge vs Western Capercaillie

Caloperdix oculeus 对比 Tetrao urogallus

Side-by-Side Comparison

属性 Ferruginous Partridge Western Capercaillie
学名 Caloperdix oculeus Tetrao urogallus
Galliformes Galliformes
Phasianidae Phasianidae
保护状况 Near Threatened Least Concern
体长
翼展 28.3 cm (11.1 in) 69.5 cm (27.4 in)
体重 210.5 g (7.43 oz) 3072.5 g (108.38 oz)
食性 Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … Relies on pine and other conifer needles in winter; forages for berries, shoots, herbs, and …
产卵数 8-10 4-12
Population Trend

Habitat Comparison

共同栖息地

Ferruginous Partridge only

Western Capercaillie only

Song & Call Comparison

Ferruginous Partridge

鸣唱

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.

Western Capercaillie

鸣唱

Extraordinary lek song: four phases — ticking, popping, cork-pulling, then grinding 'shhhhh'; lasts 6–8 seconds. Largest grouse song; audible 500+ m in European forest. Alarm is a loud bark.

Geographic Range & Migration

Ferruginous Partridge

Resident in lowland rainforest of the Thai-Malay Peninsula, Sumatra, and Borneo. Found in flat or gently sloping lowland forest.

Western Capercaillie

Resident of mature coniferous and mixed forests from Scotland and Scandinavia east through Russia to Siberia; relict populations in central Europe.

保护状况

Near Threatened

Ferruginous Partridge

Least Concern

Western Capercaillie

How to Tell Them Apart

Ferruginous Partridge

羽毛

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.

Western Capercaillie

羽毛

Strongly dimorphic. Male dark slate-blue with iridescent bottle-green gorget, brown wings, and red wattle over eye; fan-shaped tail. Female cryptically barred ochre, russet, and black with orange breast patch.

About These Birds

Ferruginous Partridge

锈红山鹑,约210克,锈红色有黑白斑点,分布于马来西亚、苏门答腊和婆罗洲,近危。

Western Capercaillie

Europe's largest grouse (~3 kg), family Phasianidae, inhabiting old-growth boreal and montane forests. Males produce a remarkable gurgling lek display. Diet shifts seasonally from berries and insects to pine needles. Requires undisturbed mature forest; Least Concern globally.

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