Most intimidating birds in sports

Their tailgating parties are also the stuff of legends, notorious for starting days before the game. They booed a 12 year old girl singing the National Anthem.Philadelphia fans may be the most unrelenting, unforgiving, and unsympathetic fans in all of sports. They cheered as Michael Irvin was carted off the field on a stretcher with a broken spine.

The worst, which I've personally witnessed, is having the jersey and/or hat ripped from your body, torn to shreds and set on fire, after which you are escorted out by the NYPD for your own safety.

And opponent's right fielders are in for a long day of taunts so brutal that it wouldn't surprise me at all if they went back to the dugout and cried.

The number 12 has been retired by the Seahawks in honor of their fans.

In the old Cleveland Municipal Stadium, the Dawg Pound struck fear in the hearts of opposing teams.

basically anything the pound can get their hands on.

These actions have actually affected the course of games.

Red Sox Nation has a president, vice president, and regional governors representing all six New England states.

Opposing players (and fans) entering Fenway Park are always in for a long day full of profanity-laden heckling, and in some cases, beer soaking harassment.

As one of the "Original Six", the Candiens and their fans expect perfection. Opposing team's players are met by thunderous boos any time they touch the puck and are serenaded with cheers if they get hurt on the ice.

Not even the USA's nation anthem is safe, as it has been booed several times before the beginning of a game.

Once, a referee actually ordered the teams to switch the direction of play in mid-quarter to avoid the storm of debris from the Dawg Pound.