Elmwood Park Zoo in Norristown, Pennsylvania provided the backdrop for the film, with employees of the zoo generously offering their time for interviews.
Many arguments favor zookeeping, and it's also important to acknowledge the abuses and injustices where they exist. But injustice against animals is far from resigned to cases of confinement, and protecting endangered species from poaching and other forms of callous human behavior is one of the powerful arguments in favor of zoos. Director Brianna Dent does a commendable job of thinking independently and shedding light on a controversial and emotional subject in a way that street activism alone won't deliver.
ThoughtCo and watch the trailer here: Voice for the Wild Trailer