Quick article from Post Magazine featuring Mark Mangini, who talks about his work on”Mr. Popper’s Penguins”.
Mangini decided to capture original penguin recordings, so he arranged to have access to the birds that were used in the film.
“We couldn’t use a regular recording facility because penguins need to be in an environment that is 40 degrees or colder at all times,” he notes. “So we built a recording room equipped with a special air conditioning system. It became our ‘penguin ADR room.’”