Between Darwin's Nightmare and The Cove, which film was released earlier?
Darwin's Nightmare: Darwin's Nightmare is a 2004 Austrian-French-Belgian documentary film written and directed by Hubert Sauper, dealing with the environmental and social effects of the fishing industry around Lake Victoria in Tanzania. The Cove (film): The Cove is a 2009 documentary film directed by Louie Psihoyos which analyzes and questions dolphin hunting practices in Japan.
Darwin's Nightmare