The Park Service offers the following words of caution for all visitors. Your visit may be marred by tragedy if you violate park rules. Law enforcement rangers strictly enforce park regulations to protect you and the park. BACK TO TOP . Tim Gourley Hon.
Spring is a time of renewal after the harsh realities of winter.
Many animals have succumbed before the days lengthen and the warm breezes begin to melt the snow. Because nothing is wasted in natural ecosystems, these deaths provide a ready food source for many other Yellowstone inhabitants also weakened by winter. Grizzly bears, black bears, coyotes, foxes, magpies, eagles, and wolves all feed at the winter-killed carcasses. At times, spectacular displays of dominance and interspecies rivalry occur at a carcass. Little orange bison calves are now being born.