I'm not a biologist nor vet, so not my area of expertise, but there are a lot of jokes about dogs being colorblind (tv series, movies, etc) and in the end it ha

I'm not a biologist nor vet, so not my area of expertise, but there are a lot of jokes about dogs being colorblind (tv series, movies, etc) and in the end it happens that they do have some limited color vision. Sorry I can't give any reference.