This blog post about Megladon did a couple things.
First, it made me laugh so hard I had to put down my coffee lest I destroy yet another keyboard. Given he's writing about fierce predators, laughing that hard is a sign the guy can really write.
Second, because the guy can really write, I immediately hunted down the "about the author" button. Further investigation revealed that of course he'd already been snapped up by Farley Chase of the Waxman Agency, but if he hadn't I was ready to lob an offer over his gunwales.
What this means for you: good blog writing gets attention. The kind of attention you as a writer want. Notice there's nothing in that blog post about query stats or his book. You have to, in fact, HUNT to find the book.
Yup, that's EXACTLY the kind of writing I'm looking for, and there's a drooling, slavering pack of agents right behind me looking for the same thing.