Crested Partridge vs Ring-necked Francolin
Rollulus rouloul comparado com Scleroptila streptophora
Side-by-Side Comparison
| Atributo | Crested Partridge | Ring-necked Francolin |
|---|---|---|
| Nome científico | Rollulus rouloul | Scleroptila streptophora |
| Ordem | Galliformes | Galliformes |
| Família | Phasianidae | Phasianidae |
| Estado de conservação | Vulnerable | Least Concern |
| Comprimento | — | — |
| Envergadura | 27,2 cm (10.7 in) | 29,3 cm (11.5 in) |
| Peso | 250,5 g (8.84 oz) | 385,0 g (13.58 oz) |
| Dieta | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … | Eats seeds, roots, invertebrates, and plant material in montane grassland and moorland of central Africa. |
| Tamanho da postura | 4-6 | 4-5 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Crested Partridge
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.
Ring-necked Francolin
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
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
Ring-necked Francolin
Resident of highland grassland, moorland, and montane scrub in the Cameroon Highlands, Congo, and east to Kenya and Tanzania.
Estado de conservação
Crested Partridge
Ring-necked Francolin
How to Tell Them Apart
Crested Partridge
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 …
Ring-necked Francolin
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
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.
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.