State panel- Arkansas birds died of blunt force trauma

Mass deaths of thousands of black birds in Arkansas was caused by "blunt force", according to a new report from the Arkansas game and Fish Commission.

Laboratory experiments were performed on 13 of the red-winged blackbirds, which was part of the group who flew into buildings and killed in a district in Beebe, Arkansas, 40 miles north of Little Rock.

"Tests ruled out bacteria, viruses, heavy metals, pesticides and Avicides (chemicals used to kill birds) as the cause of death," the Commission said in a statement.

These results confirmed preliminary tests were conducted after the incident.

The tests revealed bleeding "in accordance with blunt trauma," according to the report released Wednesday. "In most cases, these lesions in wild birds, due to the theft of fixed objects such as trees, houses, windows, power lines, towers, etc."

Why so many birds die?

This case came a few days before another mass killing of animals. In this isolated case, 450 miles south of Beebe, about 500 red-winged blackbirds, starlings and sparrows found dead

At that time, the mysterious mass deaths of wondering if some explanation could be apocalyptic.

Actor Kirk Cameron spoke with CNN's Anderson Cooper on the phenomenon.

"I am not religious, conspiracy theory-go guy," said Cameron, a former star of the hit sitcom "Growing Pains." But I think it's really a kind of foolish attempt to treat the birds of the sky, a sort of theory of the end times. "