The Red Angus breed originated in the British Isles and recorded reference to the appearance of red cattle dates back to 1805.
The first Angus herdbook, published in Scotland in 1862 entered both reds and blacks without distinction. Early in the development of the breed,
Hugh Watson of Keilor, Scotland, arbitrarily decided that black was the proper color for the breed - he could just as easily have chosen red. The main difference between Red Angus and black Angus is color.