Which part? The quote, or the fact that I think it is more likely that an intact golden was running loose than a toller?
The entire quote, if that's what you are referring to, is the saying, "When you hear hoofbeats, think horses, not zebras." In other words, the simplest or most common answer is more likely to be correct.
Sutton will be 5 yrs next mo. Got him at 2 mo. at Dallas SPCA. He's very bright, talkative, loves people, not so much around other animals, does tons of tricks, playful, has and acts like a puppy, paws like a cat, chases squirrels and rabbits, is very fast, sensitive, amazing speed, webbed feet, softest fur I've ever felt, thick undercoat, weighs 26.5 lbs. Not sure how to attach pictures to show you mine, but they look almost identicle.