Maybe one of these will not require divolging personal information. Note multiple locations where Black Vultures problematic. Chickens may not be ideal target for Black Vultures when compared to much larger and less mobile newborn calves.That site requires a subscription for me to view the story or killing my ad blocker which I won't do.
https://www.drovers.com/article/opportunistic-killers-black-vultures
https://www.agupdate.com/illinoisfa...cle_a5e4266c-126e-11e8-a6de-cbdaefcc042e.html
https://www.courier-journal.com/sto...ows-into-kentucky-farmers-profits/1505632001/