I suggest that the developer team add more animations that can be little actions and emotes that animals can do. Some animals are really lacking in this, such as the plains zebra, ungulates in general, and the spotted hyena. Just little things such as horned animals rubbing their horns against trees and into the ground or rolling over would make watching our animals a bit more interesting. Examples:
Source: https://www.youtube.com/watch?v=eC2OBZMIJY4&list=PL5RV2QIZHQaYrbrxJelsNKJqul1ZRu651&index=9
Source: https://youtu.be/s6dAQ0UY83E
Source: https://youtu.be/uHy7ETGzkc4