I adore my Siberian cat Alexei’s tail. It is so big and fluffy, and I love how it flicks and sways depending on his mood. So ...

This cat can even wag their bobbed tail, and what’s really interesting is that no two tails are exactly the same. This is ...

If that flagpole tail is quivering, it's likely a sign that they're super happy to see you. If cats were dogs, that would be the happy tail wag.