Found an interesting list of 28 Dog Facts That Might Surprise You
Here are a few:
Number 4 - dogs prefer playing 'keepings-off' rather than 'fetch'. No surprises there for me! Penny LOVES that.
Number 11 did surprise me - it says that body harnesses encourage dogs to pull.
Number 23. Some dogs lick their paws and then rub their paws on their head to clean themselves, much like a cat! Yess!! I've seen Penny doing this and I thought I was imagining things...