human
Is it so certain that the parents of those cubs are black? he asked.
gpt
I've heard that black foxes are an accident, a sport, and that the mother or father is very often red.
human
That's something that naturalists have never settled, replied Horace.
gpt
Some think that the black fox is a distinct strain, others that it's merely a 'sport,' as you say. However, when all the cubs in the litter are pure black, I think it's safe to assume that the parents are black also.