The main reason is that buffaloes have a very high melanin density in their skin giving them an almost black color although they have brown, pink and reddish pigments too. ... cross breeding tend to increase the randomness in the skin color of an animal.
Why buffalo is black and milk is white?
Answer: Buffalo milk has richer vitamin A content that the regular cow milk,and buffalo milk also contains more fat substances, that's why it is creamy white in colour rather than the pale yellow colour.
Are Buffaloes black?
The most common body color in river buffalo is black, with brown or white patches sometimes ( Figure 1). ... As a member of the same family, the molecular genetics of coat color in cattle ( Bos primigenius ) was much clearer than that of water buffalo.