Yellowstone warns tourists of "danger" 

The peak tourist season in Yellowstone National Park has already begun,  

and with it comes the "danger"-signified elk calving season.

Why? The park issued a warning on Friday, stating that cow elk are much more  ...

...aggressive toward people during the calving season and may charge at you or kick you.

The headline says, "DANGER: Elk calving season has started in Yellowstone National Park." 

The park warns, "Be aware of your surroundings!"

However, the park provides annual cautions in the hopes that visitors will heed them.  

Be on guard. Cow elk may bed their calves near buildings and under cars,  

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