• Elk calving season has begun in Yellowstone National Park.
• Cow elk are much more aggressive towards people during the calving season and may run towards you or kick.
• Stay alert. Look around corners before exiting buildings or walking around blind spots: cow elk may bed their calves near buildings and under cars.
• Always keep at least 25 yards (23 m) from elk.
• If an elk runs toward you, find shelter in your vehicle or behind a tall, sturdy barrier as quickly as possible.
• You are responsible for your own safety.
• Attacks can be unprovoked and unpredictable.
• Visit Elk for more information.

Original source can be found here.