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4kBgX TIL the average trained dog knows about 165 words. Some even have a vocabulary as big as a human toddler's!
M7RlB TIL that dogs rotate before lying down because turning in circles provides an opportunity to take one last look for potential predators and attacks before bedtime. It’s actually an inherited form of self-preservation and protection.
j6dwa TIL that domestic cats have an ID chip behind their ear that can be scanned to identify the cat and it's owner.