Birds do exist in the Zootopia universe (as confirmed by the filmmakers), they're just in a different area. There's a big world in Zootopia and we only see the mammal continent in the movie (to fit plot and time constraints). It's also why you don't see the reptiles and so forth.
Birds do exist in the Zootopia universe (as confirmed by the filmmakers), they're just in a different area. There's a big world in Zootopia and we only see the mammal continent in the movie (to fit plot and time constraints). It's also why you don't see the reptiles and so forth.