The nest sits above a train bridge at Rivervilla Park in Milwaukie. Oregon State Police say they've handed over their initial investigation to U.S. Fish & Wildlife.

The nest sits above a train bridge at Rivervilla Park in Milwaukie. Oregon State Police say they've handed over their initial investigation to U.S. Fish & Wildlife.

A bird watcher at Milwaukie's Rivervilla Park captured these photos of a man seemingly grabbing an egg from an osprey nest. That caught Ed by surprise, and immediately made him angry.

The nest sits above a train bridge at Rivervilla Park in Milwaukie. Oregon State Police say they've handed over their initial investigation to U.S. Fish & Wildlife.

Nation World Bird watcher sees man apparently snatch egg from osprey nest at Oregon park: 'What for?' The nest sits above a train bridge at Rivervilla Park in Milwaukie.

He then noticed an unknown man and two friends walk along the train tracks. He watched as one man climbed up the bridge's truss and approached an osprey nest. “He walked up there and he approached the ...