Complex sentence: A wolf that left its pack may travel up to 500 km (310.7 mi) to breed, minimum breeding age is 1 year, and average litter size is 4-6 pups.
Split into simpler sentences: A wolf that has left its pack may travel up to 500 km (310.7 mi) to breed. The minimum breeding age is 1 year, and the average litter size is 4-6 pups.