Killing Birds

Killing Birds is a 1988 Italian horror film starring Lara Wendel and Robert Vaughn. The film is set in Louisiana where Fred Brown returns from the Vietnam War to find his wife in bed with her lover and slaughters the whole family sparing the newborn son. After the massacre, he is attacked and blinded by a falcon. Twenty years later a group of students led by Steve and Anne meet Brown, and begin their search for a nearly extinct breed of woodpecker and come across grisly occurrences including boys being killed by vengeful zombies.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.