A male chicken is called a 'cockerel', a female chicken is called a 'hen', and a baby chicken is called a 'chick'.
Chickens are able to remember and recognise over 100 individuals. They can also recognise humans.
Chickens experience REM sleep, which is associated with dreaming.
Chickens have very sophisticated social behaviour. They have a dominance hierarchy where higher individuals dominate subordinate individuals. This is where the term 'pecking order' comes from!
Chickens can perform over 30 different types of vocalisation with varying meanings.
Chickens have full-colour vision, just like we do.
Chickens will eat grass and ‘slurp’ it like spaghetti!
Chickens are the closest living relative to the Tyrannosaurus Rex.
Mother hens talk to their unborn babies, and they chirp back through their shells.