"The script was crazy, but we are here and I don't know how that happened, but it happened," Iñárritu said from the stage. The movie's lead,
FULL COVERAGE: Oscars 2015
The win had been predicted by many as "Birdman" took several awards leading up to the Oscars, including the Screen Actors Guild ensemble prize, the Producers Guild best picture award and a Directors Guild honor for Iñárritu.
"Birdman" also won three other Oscars for director Iñárritu, original screenplay (given to Iñárritu, Nicolas Giacobone, Alexander Dinelaris Jr. and Armando Bo) and for cinematographer Emmanuel Lubezki. It had been nominated for nine.