Original: In many cases this color is likely related to camouflage, since the backdrop of some environments, such as the forest floor, is often brown, and especially in the spring and summertime when animals like the Snowshoe Hare get brown fur.
Simplified: This color is likely related to camouflage, since the backdrop of some environments, such as the forest floor, is often brown, and especially in the spring and summertime when animals like the Snowshoe Hare get brown fur.