Anyone else’s baby not talking much?

Ke

He babbles and says Bubba ( we have a 4yr old) and he’ll say bye bye.. but other than that he says nothing consistently. We’ll get a mama or a dada every once in awhile but I’m not sure he’s even meaning to say it. I’m worried he’s behind is speech. He’s put all his energy into moving as he’s been walking since 9m🤦‍♀️ anyone else’s baby not doing much talking yet?