This was trauma by the reported lab results.
Organ blunt force trauma...is there a poison that mimics...
Authorities say examinations showed those birds suffered internal injuries that formed deadly blood clots.
http://www.ktbs.com/news/26363062/detail.html
Monday’s discovery along Louisiana Highway 1 came just three days after more than 3,000 blackbirds fell from the sky in Beebe, Ark. Authorities say examinations showed those birds suffered internal injuries that formed deadly blood clots. They said those birds could have been startled by the shooting of fireworks on New Year’s Eve.