Ferruginous Partridge vs Ring-necked Francolin

Caloperdix oculeus compared with Scleroptila streptophora

Side-by-Side Comparison

Attribute Ferruginous Partridge Ring-necked Francolin
Scientific Name Caloperdix oculeus Scleroptila streptophora
Order Galliformes Galliformes
Family Phasianidae Phasianidae
Conservation Status Near Threatened Least Concern
Length
Wingspan 28.3 cm (11.1 in) 29.3 cm (11.5 in)
Weight 210.5 g (7.43 oz) 385.0 g (13.58 oz)
Diet Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … Eats seeds, roots, invertebrates, and plant material in montane grassland and moorland of central Africa.
Clutch Size 8-10 4-5
Population Trend

Habitat Comparison

Shared Habitats

None

Ferruginous Partridge only

Ring-necked Francolin only

Song & Call Comparison

Ferruginous Partridge

Song

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.

Ring-necked Francolin

Song

Loud, strident 'keee-KRAAK-keee' calls; East African montane grassland species. Alarm is rapid explosive cackling when flushed from grass. Pairs call at dawn. Flight reveals rufous wing patches.

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.

Ring-necked Francolin

Resident of highland grassland, moorland, and montane scrub in the Cameroon Highlands, Congo, and east to Kenya and Tanzania.

Conservation Status

Near Threatened

Ferruginous Partridge

Least Concern

Ring-necked Francolin

How to Tell Them Apart

Ferruginous Partridge

Plumage

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.

Ring-necked Francolin

Plumage

Brown above with buff shaft streaks; white underparts with bold black streaking; distinctive white throat bordered by dark necklace; white supercilium; red bill and legs. Sexes similar; montane highlands.

About These Birds

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.

Ring-necked Francolin

A medium-sized Phasianidae francolin (~385 g) of highland grassland, heath, and moorland in the Albertine Rift and East Africa. Characterised by a white throat and a bold black ring bordering it. Feeds on grass seeds, bulbs, and invertebrates. Often calls from prominent rocks. Least Concern.

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