Water Birds (1952)
Water Birds is a 1952 American short documentary film directed by Ben Sharpsteen. It won an Academy Award in 1953 for Best Short Subject (Two-Reel). The film was produced by Walt Disney as part of the True-Life Adventures series of nature documentaries. It was shot in Technicolor by more than a dozen cameramen and was created in cooperation with the National Audubon Society and the Denver Museum of Natural History.
More at Wikipedia.