They set out across the grass calling out a snippet of the familiar refrain from the book: ¿We¿re going on a bear hunt, we¿re going to catch a big one. What a beautiful day! We¿re not scared.¿ One of the reasons children love the book is the joy of calling out the sound effects. As well as the chant ¿Can¿t go over it, can¿t go under it, got to go through it¿, author Rosen invented catchy expressions such as ¿swishy-swashy¿ and ¿squelch-squerch¿ to describe the noises of traipsing through long grass and mud. The film-makers decided to blend the sound effects more subtly into the script, with, for example, a trombone to make the sound of the squelchy mud
{}