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Biology
 Hen on the farm in Croatia
A chicken is a most common bird in the world. According to the Encyclopedia Britannica, there are almost 25 billion chicken in the world. Some chicken are wild animals, but most are domesticated and people raise them for food and eggs. Scientists believe that all chicken came from a single ancestor called Red Junglefowl, that existed almost 5,000 years ago.
Cockerel is a male chicken under one year of age.
Rooster is a male more than one year old.
Pullet is a female under one year.
Hen is a female over one year of age.
All chicken are omnivores which means that they eat both plants and animals. Chicken feed on small insects and herbs and leaves, but they are also known to catch small mammals such as mice!
Although they are birds, chicken are not the best flyers and fly only for short distances.Chicken live in flocks. They have two wings and two legs. Theatre covered by a layer of feathers. Chicken live short lives of ten to fifteen years.
WHAT MAKES UP A CHICKEN?
OUTSIDE ANATOMY
Scroll over of the body part to see the part's name.
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