What are the tidbits in Zootopia?

Before the original idea of Fox Nick and Judy Rabbit was constructed, the film was mainly played by Fox Nick, and the image of Fox Nick came from the image of Robin Hood in Disney animated film [1973]? .

Kristen bell, who voiced Princess Anna in Frozen, voiced Pusila, the pink sloth, because kristen bell really likes sloths. The Duke of Weston who robbed the bank was voiced by Allen Toudic, and Allen also voiced the Duke of Weston of the same name in Frozen [14]? .

There are 64 kinds of animals in the film, and the animators keep the characteristics of real animals and bring them to the characters in the film [15]? .

This film is the first animated feature film jointly produced by award-winning composer michael giacchino and Disney Animation Studio [16]? .

Ginnifer goodwin had little experience in animation dubbing before, and the creator involved her from the beginning, showing her the creation of the film and the characters, and helping her understand all aspects of the role [15]? .

In this movie, the police chief is a strong bull. The crew studied the daily collocation of fitness people and the dressing style of muscular policemen, so in the final draft, the button on the neck was opened [17]? .