via.q13fox.com
Crews use lasers, air cannons to keep birds away from planes in Portland
PORTLAND, Ore. -- Every year, there are roughly 75 incidents at the Portland International Airport that involve birds colliding with planes, according to the Port of Portland. Nick Atwell, the Port of Portland's Wildlife Manager, said he and his staff patrol the airport grounds daily, harassing, scaring away, and even trapping birds that could pose a threat to planes.