Complex sentence: It had a thick curly coat which protected it from the cold temperatures of the water and winter, and was used in hunting waterfowl, Ruffed Grouse, Greater Prairie Chicken and a variety of fur--bearing animals.
Split into simpler sentences: It had a thick curly coat that protected it from the cold temperatures of the water and winter. It was used to hunt waterfowl, Ruffed Grouse, Greater Prairie Chicken and a variety of fur--bearing animals.