The Old Lady and the Pigeons (1997)

The Old Lady and the Pigeons is a 1997 animated short film written and directed by Sylvain Chomet. It tells the slightly surreal story of a starving policeman who dresses up as a pigeon and tricks an old lady into feeding him. The film was produced through the French company Les Armateurs with support from companies in Canada, Belgium and the United Kingdom. It was Chomet's debut film and won several awards including the Grand Prix at the Annecy International Animated Film Festival.

More at Wikipedia.