* "Brown" is a broad term: Brown encompasses many shades, from light tan to dark chocolate. This makes it hard to define what qualifies as "all brown."
* Breed variation: Some breeds are more prone to brown fur than others. For example, Abyssinian cats are known for their ticked brown tabby pattern.
* Limited data: There aren't comprehensive surveys tracking the fur colors of all cats worldwide.
However, we can say this:
* Brown is a common cat color: Brown is one of the most common fur colors in domestic cats, likely due to its natural camouflage ability.
* Brown can be combined with other colors: Many cats have brown as a base color with other patterns like tabby markings or white patches.
* "All brown" is rarer than brown in general: While brown is common, a solid brown coat without any other markings or patches is less frequent.
To get a better idea of how common brown cats are in your area, you could:
* Check local shelters and rescue organizations: Observe the fur colors of the cats they have available for adoption.
* Ask local vets: They may have some general observations about the prevalence of brown cats in your community.
Ultimately, it's hard to quantify the exact prevalence of "all brown" cats. However, brown is a common cat color, and you're likely to encounter many brown cats in your lifetime!