[header] How to protect fruit trees from animals [title] Use a kaolin clay-based repellent. [step] A kaolin clay-based repellent is made of naturally occurring ingredients and can help repel animals and insects from eating the fruit off your tree. You can purchase the repellent at some nurseries or find it online. 
This repellent will leave a white film on your fruit and tastes bad to most animals and insects. Kaolin clay repellents are not useful for fuzzy fruits like peaches or apricots or smaller fruits like cherries or plums.