Compact mixer barcode

Question about bird reference at the end of the Stephen King/Richard Bachman novel "Blaze"? - blaze king stove material

Caution: Spoiler ahead:

Towards the end of the novel, when Blaisdell along the river, which is on the lookout for birds and birds quickly once at the end of the novel, known as Joe the mobile watching. I know it is important, but do not know why. I've heard about the book on tape and it was back to the library. Can anyone explain why this so important?