OK, it's a stretch, but USA Today reports on several airports where unusual tactics are being used to keep airports maintained and planes out of trouble. Among them are O'Hare, SFO and Atlanta.
But surely few have gone as far as Portland International where a border collie named Fish has been assigned to chase unwanted birds from flight paths, and an entire team of goats works at clearing invasive plants from areas that can't easily be mowed. Without the goats, the airport would have to use chemical herbicides.
The goats are supervised by a remote, off-site goatherder. On the job, they're protected by an aggressive llama that chases away coyotes and other predators. Their work area is surrounded by a solar-powered electric fence. As the video below shows, the goats are apparently not bothered by all the noise.
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