This video says about itself:
Piper – First Look – Official Disney Pixar | HD
13 June 2016
In Pixar Animation Studios‘ new short, “Piper,” a hungry sandpiper hatchling discovers that finding food without mom’s help isn’t so easy.
Piper is directed by Alan Barillaro (supervising animator “WALL•E,” “Brave“) and the short will debut in front of Finding Dory in UK cinemas on July 29, 2016.