If you're a cat owner, you'll be well aware that the little furry bendy creatures are capable of manoeuvering themselves into the most bizarre places and situations.

It's not beyond the realm of possibility to find your cat in a cupboard somewhere, or even - as the video below exhibits - a heating vent.

Granted, a cat being stuck in a vent is on the more unusual end of the spectrum - but you know what's even stranger? Finding a cat in your vent... when you don't own a cat.

That's what happened to Twitter user Brena Clifton, whose feline discovery has gone viral...