JACKSON, Wyo. (AP) — The nation's only commercial airport inside a national park is keeping secret its plans to protect birds from collisions with aircraft.

The Associated Press reports that Jackson Hole Airport will make its environmental analysis public for review once it's done. The airport is working on a plan to protect birds, especially sage grouse.

The bird plan is required by the Federal Aviation Administration and will be finalized over the next six to eight months. The airport director tells the AP that any actions suggested by the analysis could require further study and public comment.

Wildlife officials say the airport is considering trying to relocate a sage grouse breeding ground, called a lek, to draw birds away from the runway's north end.

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