I ban't believe they missed out the most dangerous!
The speed bump!
Lies down when & where you won't see them , especially if carrying something.
I've been to A&E twice for this (ok once was a cat on the stairs)
That is so true, one of my cats loves to dive in front of you when going down the stairs, cannot count how many times I've nearly taken a tumble, fairly sure she is trying to bump me off.
My friend described me as enigmatic and surrounded by a strange aura - I quickly explained that that was due to the smell of puppy pee that follows me like a cloud