In Baltasar Kormákur's 2 Guns there is a violent chicken shooting scene that has made audiences long wonder if it was actually real. The action film stars Denzel Washington and Mark Wahlberg as undercover DEA agent Bobby Trench and undercover Navy intelligence officer Marcus Stigman. As one might expect, the movie is packed with high-action scenes and plenty of shooting, which doesn't necessarily mesh with animals on set. However, the film surprisingly uses animals often throughout the story.
https://screenrant.com/2-guns-chicken-scene-shooting-real-fake/