Asked in Cows and Cattle
Cows and Cattle

Are bulls color blind?



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Yes and no. Just because a bovine (including a bull) cannot see reddish hues doesn't exactly make them colour blind. Cattle only have two colour receptors in their eyes, not three like us humans have, thus enabling them to see in blues, greens and yellows. However, the hues that cattle are the most sensitive to are yellowish green and bluish purple.

By definition, what makes a person or animal colour blind is when they cannot see the entire visible colour spectrum. Because of this and because of the reasons mentioned above, we need to be careful about saying if indeed cattle are colour blind. Hence the yes and no answer.