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.
Basically, prehistoric horses evolved to fill this evolutionary niche. Next Step, Equus - Hipparion and Hippidion Following the success of intermediate horses like Parahippus and Merychippus, the stage was set for the emergence of bigger, more robust, more horsey horses.