Complex sentence: Sand cats live solitarily (until mating season; see below), digging burrows to escape the desert heat, and come out after dusk to hunt rodents, lizards, birds and insects, although their diet may consist mostly of rodents.
Split into simpler sentences: Sand cats live solitary lives (until mating season; see below), digging burrows to escape the desert heat. They come out after dusk to hunt rodents, lizards, birds and insects, although their diet may consist mostly of rodents.