I believe it's something to do with the government, maybe related to chemtrails.
"An area used by the birds to roost was unaffected, leading officials to conclude that the birds could not have died from an illness or have been
targeted for poisoning. Lightning, fireworks and high-altitude hail have been forwarded as possible culprits.
“I’ve been to Iraq and back and not seen nothing like this,” Beebe resident Jeff Drennan told local Fox16 News on Sunday. “You know my kids
are out here playing and you don’t know, is it safe?” he added. “They’re walking around with chemical suits picking them up with gas masks and
They're wearing hazmat suits and gas masks?
"From the 1950s onwards, the U.S. government deliberately engaged in open air tests, spraying major cities like San Francisco and New York with
Serratia marcescens and Bacillus glogigii. In 1955, the CIA also released a bacteria withdrawn from the Army’s biological warfare arsenal over Tampa
Bay, Fl in order to test its ability to infect human populations with biological agents.
In 1966, the U.S. Army dispensed Bacillus subtilis variant niger throughout the New York City subway system. 1977 Senate hearings on Health and
Scientific Research confirmed that 239 populated areas had been contaminated with biological agents between 1949 and 1969, including San Francisco,
Washington, D.C., Key West, Panama City, Minneapolis, and St. Louis."
So they DO spray us with chemicals... i think this is down to them.