Dogs can tell time by smell. They can smell different times of the day and how long their owner has been gone by how much their smell has dissipated since they left. – WTF Fun Facts
Source: https://www.akc.org/expert-advice/news/dogs-tell-time-with-their-noses-expert-says/
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a cat travels 700 miles to find its owner
A cat travels 700 miles to find it’s owner – WTF fun facts