Q.Animals in Mexico That Eat Gardenias
What animals in Mexico eat gardenia plants?

Certified GKH Gardening Expert
I cannot say with certainty what animal may be feasting on your gardenia, especially without knowing the symptoms you are seeing. It could instead be the work of insect pests, of which the gardenia has more than a few, including aphids. Most of these pests can be taken care of by treating the plant with neem oil. Here is more information: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-pests.htm and https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm