The Air Express (1937)

The continuing adventure of Lantz' three monkeys, Meany, Miny and Moe, finds them operating an air-transport company in the outback of Australia, with Moe, the junior member of the trio, as the pilot. They are carrying a cargo of valuable diamonds and a crate containing a young and highly excitable ostrich. The latter has designs on swallowing the diamonds.

Unfortunately the movie The Air Express is not yet available on HBO Max.