That's the rumor. I haven't confirmed it myself, but I've heard that they have something to do with the scarecrows. It could all be fake, but I'm interested in finding out.
This may be complete B.S. since it's off the gamefaqs boards, a poster named skdalu said that Ordon Village, Kakariko Village, and Zora's Domain all have scarecrows that require the following
In the first section, you have to shoot the shield on the scarecrow until you hear the dinging sound, then shoot the inflated head for 1000 points. If you do this successfully, a scarecrow will pop up in the second section. Do the same thing to the second scarecrow, and then you'll move to the alternate area for the third section.
Again, I haven't confirmed this myself, so try this at your own risk!