Bison mating season is still going on in the park. Male bison are particularly aggressive right now, though all bison and other wildlife can be dangerous. Remember to always keep your distance—25 yards from bison and elk; 100 yards from all other wildlife. #Yellowstone #NationalPark #WhatWildlifeDoWednesday #Bison | Yellowstone National Park

The water flowing through Yellowstone and the Greater Yellowstone Ecosystem (GYE) is a vital national resource. The headwaters of seven great rivers located here flow from the Continental Divide across the nation to the Pacific Ocean, and the gulfs of California and Mexico. Rain and snow in the mountains and plateaus of the Northern Rockies flow through stream and river networks to provide essential moisture to much of the American West. Together, Yellowstone’s streams and rivers support an abun