"I just had this adorable tri-colored foal born yesterday. He is brown and white with a black tail. Isn't he just gorgeous?"
I grinned and Aw'd. I don't think it would have gone over well had I told my biology teacher that he did not in fact have a tri-colored horse.
Then a fellow student then went on to say he also had a tri-colored horse. I quote "She is brown and white with a little black in her tail and mane."