1 Symptoms of kidney pain may include. 2  fever, 3  painful urination, 4  flank pain, 5  nausea and/or vomiting. 6  Kidney pain can be on the left, right, or both sides.
A Brief History of Horses. By 55 million years ago, the first members of the horse family, the dog-sized Hyracotherium, were scampering through the forests that covered North America. For more than half their history, most horses remained small, forest browsers.
Back then, horses were used mostly for milk and meat. Eventually, horses joined oxen as a form of animal transportation. Size. There are more than 400 different breeds of horses. Horses can be as big as 69 inches (175 centimeters) from hoof to shoulder and weigh as much as 2,200 lbs. (998 kilograms). Tiny horses exist, too. The smallest breeds of horses can be as small as 30 inches (76 centimeters) from hoof to shoulder and weigh only 120 lbs.