Ferruginous Partridge vs Bornean Crestless Fireback

Caloperdix oculeus 比較対象 Lophura pyronota

Side-by-Side Comparison

属性 Ferruginous Partridge Bornean Crestless Fireback
学名 Caloperdix oculeus Lophura pyronota
Galliformes Galliformes
Phasianidae Phasianidae
保全状況 Near Threatened Endangered
体長
翼開長 28.3 cm (11.1 in) 44.2 cm (17.4 in)
体重 210.5 g (7.43 oz) 934.0 g (32.95 oz)
食性 Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … Feeds on fallen fruits, seeds, invertebrates, and small animals; forages on Bornean lowland forest floor.
一腹卵数 8-10 3-6
Population Trend

Habitat Comparison

共通生息地

Ferruginous Partridge only

None

Bornean Crestless Fireback only

None

Song & Call Comparison

Ferruginous Partridge

さえずり

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.

Bornean Crestless Fireback

さえずり

Harsh, explosive 'kak-kak-KAAK' alarm calls from lowland Bornean forest; poorly documented. Rarely heard except when flushed. Contact calls thought to be soft guttural clucks between pairs.

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.

Bornean Crestless Fireback

Endemic to Borneo; resident of lowland and hill forest in Sabah, Sarawak, and Kalimantan below 1,000 m.

保全状況

Near Threatened

Ferruginous Partridge

Endangered

Bornean Crestless Fireback

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.

Bornean Crestless Fireback

羽毛

Male deep blue-black with rufous-cinnamon lower back and rump; no crest; red orbital skin; shorter tail than Malay congener. Female dark brown with white shaft streaks; rufous tinge on lower …

About These Birds

Ferruginous Partridge

体重約210gの錆赤色・黒白の斑点を持つヤマウズラ。マレーシア・スマトラ・ボルネオに生息する準絶滅危惧種。

Bornean Crestless Fireback

A Bornean-endemic Phasianidae pheasant (~934 g) of hill and montane forests. Males have blue-black plumage and red orbital skin without a crest, distinguishing it from the closely related Malay species. Diet includes seeds, fruits, and ground invertebrates. Endangered owing to ongoing deforestation in Borneo.

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