Re: IS this normal for a 8.5 month old?
It sounds like your LO has reached the age when she's gotten so busy with fun things like rolling and crawling and playing that she is forgetting to eat. It's pretty common at this age. While it sounds like your LO is still finding a way to get her needs met, I suggest actively trying to make sure she nurses at least 7-8 times a day even if the nursing sessions are short. At this age it's quite possible that she doesn't need to spend a lot of time nursing in order to get a full meal.
Coolest thing my big girl said recently: "How can you tell the world is moving when you are standing on it?"
Coolest thing my little girl sang recently: "I love dat one-two pupples!"