TIL Birds trained for Hitchcock's The Birds couldn't be untrained. They stayed killer birds.

https://www.thetimes.com/culture/tv-radio/article/tippi-a-memoir-by-tippi-hedren-8hb93zpj3
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1ghxia4/til_birds_trained_for_hitchcocks_the_birds/