I don't know any techniqual terms but basically they are not nocturnal, in fact they sleep before the sun even goes fully down. They don't have "night vision" because they don't need it, they hunt during the day.
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Chickens have fewer rod cells in their eyes compared to cone cells, making it harder for them to see in dim light. Rod cells are responsible for low-light vision, so the lack of these cells limits their ability to see well in dim conditions.
Rod cells are responsible for vision in dim light. They are specialized photoreceptor cells in the retina that are highly sensitive to light and help us see in low-light conditions.
Cows have a special tissue in the back of their eyes called a 'tapedum'. It reflects light within the globe of the eye so that even dim light is visible to the cow.
Chickens are not able to walk or move backwards, as their anatomy and physiology do not allow for this movement. They can only walk forward, side-to-side, or turn around.
Chickens have very poor eyesight at low light. At dusk, when it's very dark, they can see almost nothing. Due to the positioning of their eyes on the sides of the head, their depth perception is compromised, which gets even worse the less light there is.
all the broiler chickens are white because ,when the chickens are born the are white in color and as soon as they are born an injection is injected into them making them fat and fluffy. the broiler chickens that we see in the market are actually chicks.