Rosie is a 10 month old Labrador Retriever. I have been expecting her to come into season since she was about 6 months old, but nothing happened until last Saturday when I noticed a few rusty coloured drips on the kitchen floor. I cleared them up and have been keeping her in since then, but there have been no more. Her behaviour has been a bit bizarre - she has had several spells of running around trying to dig in the carpet with her front and back paws - but apart from that she seems just as normal. Do you think she is in season? I know that I have to keep her in for 3 weeks if she is, but I was expecting more physical signs, and I don't want to keep her in if I don't have to.