* Pitbull is a general term for the American Pit Bull Terrier breed.
* Colby is a common name for a dog, but it's not a breed.
Appearance of an American Pit Bull Terrier:
* Muscular and athletic: Pitbulls have a strong, compact build with well-defined muscles.
* Short coat: Their coat is typically short and smooth, coming in a variety of colors and patterns.
* Broad head: They have a broad head with a strong jaw and a slightly wrinkled forehead.
* Ears: Pitbulls typically have cropped or natural ears, which can be either erect or dropped.
* Tail: Their tails are usually short and thick, and they might wag them enthusiastically.
Remember: A dog's appearance can vary depending on individual genetics and upbringing.
If you're looking for information on a specific type of dog, make sure to use accurate breed names.