Do animals have gratitude? I think its still an open question. But it is clear that some animals, such as chimpanzees and other non-human primates, seem to possess at least a more basic form of proto-gratitude, based on their ability to keep track of favors given to and received from different individuals.

Do dogs feel thankful?

Doggos express their gratitude and appreciation to us whenever they look into our eyes and take comfort in our calm, strong companionship. While dogs don't have the ability to express their appreciation through language, they are able to express it with their energy (think, a tail wag or maybe even a smile).

Do animals remember if you save them?

They remember important people even years after being around them and can recall details from their lives before being rescued. Animal Planet explains that once a cat attains information, by accident or trial and error, most of that information is retained for life due to a cat's excellent memory.