More and more it seems that birds deserve a place among other higher animals for their intellect. A new paper in the journal Current Biology suggests that one species — the Japanese tit — can use grammar when tweeting at one another. That’s important because grammar is one of the most complex mechanisms of language — and something we generally only see in humans. It’s what gives our sentences structure. When off grammar is, Yoda sound alike, you can. But, depending upon context, words and the meaning they hold can be indecipherable without the right grammar. It does allow us to convey complex ideas, though. Cats, for example, are pretty…