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Scientific name:  Gallus gallus domesticus
Class:  Birds
Continent:  All
Habitat:  Everywhere
Diet:  Herbivorous
Weight:  Environ 2.5 kg
Size:  Environ 2.5 kg

When did the first egg give birth to the first chicken?

They are all descended from a wild bird native to Southeast Asia, called the Bankiva Rooster or Golden Rooster. Within the henhouse there is a strict hierarchy and the dominant hens occupy the highest perches. Depending on the breed, they can lay up to 300 eggs per year (while the Bankiva hen only lays 6 to 8 eggs once a year) which they incubate for 20 days. They are omnivorous birds that feed on seeds, leaves, insects or worms and can live between 10 and 18 years. The hens are raised for their meat and for their eggs.

Extinct in the wild
Critically endangered
Near threatened
Least concern
Insufficient data
Not evaluated


The domestic hen is descended from the Bankiva cockerel, which originated in India. Commonly found throughout the world, the domestic chicken can lay up to 300 eggs per year.