Sunnyvale, Calif., is trying to solve its crow problem with lasers. But it turns out the Federal Aviation Administration doesn't like lasers.
The city of Sunnyvale in Northern California recently employed a secret weapon to shoo away thousands of nesting crows from its popular downtown area: lasers.But it turns out the Federal Aviation Administration also doesn’t like lasers.letter, the FAA reminded city officials that Sunnyvale is located near four airports: Mineta San Jose International, Moffett Field, Palo Alto and San Carlos airports. Planes landing and taking off fly at low altitudes near the Silicon Valley community.
In the last few years, roosting crows have massed in the thousands around Plaza del Sol in Sunnyvale, the city square that houses cafes, restaurants and a few software companies. “Just seeing what the streets look like, what the sidewalks look like, and hearing from some of our residents, all of it has definitely helped,” Klein said.
Large swarms of crows blot out the sun across the San Francisco Bay Area and in the Central Valley, said Steven Beissinger, a professor of ecology and conservation biology at UC Berkeley. Crows amass in most major urban location where there is an abundance of food, he said.due to the West Nile virus. The mosquito-borne virus had spread across the United States with infected migrating birds. But the impact to crows was short-lived, Beissinger said.
U.S. Fish and Wildlife Service spokesperson Jane Hendron said green lasers do not violate any federal laws. But some point out there are other possible deterrents, such as using trained dogs to chase away birds from airports or the careful placement of strips of bird spikes to discourage congregating.
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