BALTIMORE — A Baltimore arboretum has found a solution to a deadly problem that has plagued birds for more than a decade, and the results have been immediate and dramatic.

Cylburn Arboretum installed new bird prevention window film in June that has completely eliminated bird strikes at the facility. Before the installation, the arboretum was seeing between 6 and 10 bird deaths daily during migration season.

"I can tell you it's heartbreaking to hear that thud against the window and to find them," said Christine Nutila, park administrator for Cylburn Arboretum.

Baltimore arboretum eliminates bird strikes with new window film

The problem began as soon as the building opened in 2010, Nutila said.

"This building opened in 2010 and really the staff here realized almost immediately that the

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