Chicken enchilada casserole

For the culinary use of chickens, see Chicken as chicken enchilada casserole. Male and female chicken sitting together.

Chickens are one of the most common and widespread domestic animals, with a total population of 23. 7 billion as of 2018, up from more than 19 billion in 2011. In 2011 a study in genetic and archaeological evidence conclude that the origin of the modern-day chicken is from Southeast Asia. Dunghill fowl: a chicken with mixed parentage from different domestic varieties. Pullet: a young female chicken less than a year old.