Introduction
The Grey Junglefowl, Gallus sonneratii, is a ground-dwelling pheasant of peninsular India. Also known as Sonnerat’s Junglefowl, it is a wild relative of the domestic chicken and is recognised as a distinct species from the Red Junglefowl, Gallus gallus. The Grey Junglefowl is particularly noted for the unusual yellowish plates at the tips of the male’s elongated neck feathers.
Physical Description
The Grey Junglefowl is similar in size to a domestic hen, although males are considerably larger and more ornate than females. Adult males measure approximately 70–85 cm in total length, including the long, curved tail, while females measure about 40–45 cm.
The male has finely patterned grey body plumage, a blackish cape marked with pale or ochre spots, and a long, metallic black tail. The elongated neck and hackle feathers end in small, hard, yellowish plates, creating a distinctive scaled or spotted appearance. The male also has a red comb, wattles and facial skin, along with red legs and usually one or more spurs. Outside the breeding period, males may moult some of their ornamental feathers and appear less conspicuous, with a reduced comb and less prominent tail feathers.
Females are smaller and more cryptically coloured. Their plumage is mainly mottled brown, black and grey, with a pale or whitish breast marked by dark streaks. They have a very small, dull comb and generally lack the conspicuous spurs of adult males. Juveniles resemble females and develop adult male plumage gradually as they mature.
Range and Habitat
The Grey Junglefowl is endemic to India. Its range extends through much of central and southern peninsular India, including parts of the Western Ghats and other forested regions. It is a resident species rather than a long-distance migrant, although individuals may move locally in response to food availability, rainfall and habitat conditions.
It occurs in both deciduous and evergreen forest, as well as open woodland, bamboo thickets, dry scrub and secondary vegetation. It is often associated with broken foothill landscapes, forest edges, abandoned plantations and dense tangles near grassland or cultivated areas. The species generally remains close to cover, particularly when feeding in open places, and can occur from plains to hilly country.
The Grey Junglefowl is not found naturally in Sri Lanka. That island is home to the closely related Sri Lankan Junglefowl, Gallus lafayettii.
Behaviour and Diet
Grey Junglefowl are primarily terrestrial and spend much of their time walking and scratching through leaf litter, scrub and grass in search of food. They are most active during the morning and late afternoon. Birds may occur singly, in pairs or in small parties, although larger gatherings can form temporarily where bamboo, grasses or other plants are producing abundant seed.
The diet includes seeds, grains, fruits, shoots and other plant material, supplemented by insects and other small invertebrates. Feeding usually takes place on the ground, often within easy reach of dense vegetation. When alarmed, the birds commonly run quickly towards cover rather than flying for long distances.
Males use calls, postures and displays in territorial and reproductive behaviour. Breeding is influenced by rainfall and food supply, with the main breeding period generally extending from the post-monsoon season into the summer months. Reported clutches contain approximately three to eight brownish eggs, which are laid in a concealed ground nest. As in other junglefowl, the female undertakes most or all of the incubation and care of the young.
The Grey Junglefowl can hybridise with the Red Junglefowl, particularly where their ranges meet. Genetic studies also show that the species contributed some genetic material to domestic chickens, although the Red Junglefowl is regarded as the principal wild ancestor of domestic chickens.
Identification Tips
- Look for a chicken-sized forest bird that stays close to cover and usually runs through vegetation rather than flying far.
- Adult males are grey overall, with a finely patterned body, a black sickle-shaped tail and a dark neck cape marked with pale or ochre spots.
- The male’s yellowish plates at the ends of the elongated neck feathers are a particularly useful feature at close range.
- Females are smaller and browner, with a noticeably pale or whitish breast marked by dark streaks.
- The Grey Junglefowl can be distinguished from the Red Junglefowl by its greyer overall appearance. The female Grey Junglefowl has a pale, dark-streaked breast, whereas female Red Junglefowl are generally more rufous-brown.
- The Grey Junglefowl is also less brightly coloured than the male Red Junglefowl, with a more subdued grey, black and white pattern.
Conservation Status
The Grey Junglefowl is currently assessed as Least Concern on the IUCN Red List. This assessment reflects its broad distribution and continuing presence across much of peninsular India, but it does not mean that all local populations are secure.
Local threats include the loss and fragmentation of forest, conversion of woodland to agriculture, disturbance around forest edges and hunting for meat or feathers. Hybridisation with domestic poultry or Red Junglefowl may also be relevant in some areas, although its conservation significance varies geographically. Maintaining connected forests, bamboo stands, scrub and other suitable habitats, together with effective protection from unsustainable hunting, are important conservation measures.
Frequently Asked Questions
Where is the Grey Junglefowl found?
The Grey Junglefowl is endemic to India and occurs mainly in central and southern peninsular India, including parts of the Western Ghats. It does not naturally occur in Sri Lanka.
What does the Grey Junglefowl eat?
It feeds mainly on the ground, taking seeds, grains, fruits, shoots and other plant matter, as well as insects and other small invertebrates.
How can a Grey Junglefowl be identified?
The male has grey, finely patterned plumage, a black curved tail, a dark spotted neck cape and unusual yellowish plates on the neck feathers. The female is smaller, brownish and has a pale breast with dark streaks.
Is the Grey Junglefowl an ancestor of domestic chickens?
It is a wild relative and contributed genetic material to domestic chickens. However, the Red Junglefowl is considered the principal wild ancestor of the domestic chicken.
Is the Grey Junglefowl endangered?
No. The species is currently classified as Least Concern by the IUCN. Nevertheless, habitat loss, hunting and local disturbance can affect individual populations.
Does the Grey Junglefowl migrate?
It is considered a resident species. Individuals may make local movements in response to food availability, rainfall and changes in habitat, but it does not undertake long-distance seasonal migration.
References
- Ali, S. 2002. The Book of Indian Birds. 13th revised edition. Bombay Natural History Society and Oxford University Press. Species account for the Grey Junglefowl. Available at: https://openlibrary.org/books/OL3706287M/The_book_of_Indian_birds (accessed 8 September 2026).
- Convention on International Trade in Endangered Species of Wild Fauna and Flora. 2013. Proposal to amend Appendix II: Gallus sonneratii, Grey Junglefowl. CITES CoP16 Prop. 15. Available at: https://cites.org/sites/default/files/eng/cop/16/prop/E-CoP16-Prop-15.pdf (accessed 8 September 2026).
- Eriksson, J., Larson, G., Gunnarsson, U., Bed’hom, B., Tixier-Boichard, M., Strömstedt, L., Wright, D., Jungerius, A., Vereijken, A., Randi, E., Jensen, P. and Andersson, L. 2008. Identification of the yellow skin gene reveals a hybrid origin of the domestic chicken. PLoS Genetics 4(2): e1000010. https://doi.org/10.1371/journal.pgen.1000010.
- Gill, F., Donsker, D. and Rasmussen, P., eds. 2026. IOC World Bird List, version 15.2. International Ornithologists’ Union. Available at: https://www.worldbirdnames.org/ (accessed 8 September 2026).
- India Biodiversity Portal. n.d. Gallus sonneratii Temminck, 1813: Grey Junglefowl. India Biodiversity Portal. Available at: https://indiabiodiversity.org/species/show/257476 (accessed 8 September 2026).
- Morejohn, G. V. 1968. Breakdown of isolation mechanisms in two species of captive junglefowl, Gallus gallus and Gallus sonneratii. Evolution 22: 576–582. Available through Wiley Online Library at: https://onlinelibrary.wiley.com/doi/10.1111/j.1558-5646.1968.tb03993.x (accessed 8 September 2026).
- IUCN/TRAFFIC. 2013. IUCN/TRAFFIC Analyses of the Proposals to Amend the CITES Appendices at the 16th Meeting of the Conference of the Parties. IUCN and TRAFFIC. Available at: https://www.traffic.org/site/assets/files/7515/cites-cop16-analysis-of-proposals.pdf (accessed 8 September 2026).
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