Chicago's Wrigley Field

Case Study: Super BirdXPeller PRO at Wrigley Field

Wrigley Field, home of the Chicago Cubs, celebrated its 90th season in 2003. As Wrigley Field prepared to play host to all of the Cubs’ NL rivals, the stadium also battled an unwelcome new preseason one: pigeons found a home in the upper deck.

The Problem

It isn’t only Cubs fans who love Wrigley Field. “Pigeons like to roost on the trusses that support the upper deck,” said Paul Rathje, director of stadium operations at Wrigley Field for the last six years. “This causes problems for the people seated below.” Besides the lure of roosting in the structural beams, the pigeons are naturally attracted to the food purchased by the crowds of fans who fill the stands – a bird’s delight; a stadium director’s horror.

During the prior season, Rathje tried a few tricks of his own to defeat the pigeons but with no success.

The Products and Solution

In spring 2003, Rathje called Chicago-based Bird-X, Inc. about a sonic bird deterrent device he’d heard about that repelled birds. Bird-X referred Rathje to a bird-deterrence consultant, Kevin Connelly, general manager of Premier Pest Elimination in Chicago.

Connelly met on-site with Rathje, just weeks before the season opener, to assess the situation. Speed was of the essence; so was efficacy. The two men worked out a plan to install seven Bird-X Ultrason X units and seven Super BirdXPeller PRO units in the trusses under the upper deck and in the lower deck corners.

The Result

Connelly worked cooperatively with the union electricians on staff at Wrigley Field to devise a protocol for smooth supervision and installation. The big day came in late May 2003. When the Bird-X units were turned on, “The birds flapped out,” Rathje says.

“About 90 percent of the birds left for good,” says Connelly. It wasn’t a total elimination, both men agree, but it forced the bird problem to fall within an acceptable tolerance range. That was the goal, Connelly says, noting that realistic expectations and budgetary constraints are always factors in choosing solutions for large facilities.

Operations Director Rathje has advice for other facility managers: Consider various bird-deterrence alternatives, depending on the facility’s architecture, where the birds roost, and the expanse of the space affected. Connelly agrees.

“Then base your decision on the limits of your budget, the realities of the time needed to proper installation, and your tolerance level for effectiveness.” He said that a 100 percent solution can be prohibitively expensive and often is not necessary.

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