watercolor artwork of a squirrel on an autumn branch with varied colorful leaves. concept of nature's beauty, fall

squirrel autumn branch leaves watercolor nature fall wildlife colorful artwork observation beauty season animal flora fauna painting forest vibrant tree park scenic outdoors bushy tailed rodent small creature detailed delicate illustration quiet calm autumnal enchanting tranquil serene natural picturesque foliage canopy artistic composition saturated landscape watercolour aquarelle art ai generated