Rabbits are afraid that their noses will twitch when they are nervous. This is the premise.
Although Judy is strong, her little nose started to twitch when she met Nick and the bad fox who bullied her before.
(There are also other scenes where sniffling occurs, such as when confronting the big boss...)
It really makes people feel like, "Ah, this is indeed a Rabbit" feeling. At the same time, Judy is worthy of being the first rabbit police officer in history. Even if her nature makes her involuntarily afraid, she never escapes from the situation.
Another detail that is not too detailed, Judy tricked Nick into entering the parking lot. Nick climbed over the wall, but Judy, as a rabbit, a rabbit with racial talents, dug directly in.
One more detail is that when Nick just met Judy, he took a handful of blueberries from the fruit stand. It can be seen that Nick loves blueberries, so he walked in the Hopps farm truck with him. I specially wrapped some delicious blueberries in a handkerchief to keep for eating, which made the subsequent blueberry incident very logical~