Physically behind, verbally ahead

Kyle
I am not worried, I know babies develope at their own rhythms but I find it interesting. 
My daughter said her first word before she was six months. At 8 months she now regularly says "mama" and "up". Super early to have two words already. 
Buuuut, she can't crawl, doesn't pull herself up on furniture and doesn't even try to walk if we hold her hands. Super late on those things! 
What has your baby done early/late??