This questions comes up A LOT and there are so many variables with animals and reincarnation.
First, I’d love to recommend a book for you to read called “Animals in Spirit” by Penelope Smith. She is the original founder or “grandmother” of the interspecies communication, otherwise known as animal communication. Penelope has been a true pioneer and animal advocate for animals her whole life and teaching this skill to thousands of others. I have been blessed to have been able to study with her for several years. Even the wild animals know of “her.” She is truly a gifted and remarkable animal ambassador!