Two of my kids tried "Duck Beak" while we were in China. It was literally a cross-section of a duck's top and bottom bill, cut from front to back, with the cheek meat attached. We saw fetal pigs hanging in grocer windows.
People in this world really will eat anything edible. I naturally recoil in disgust at some of the things people eat - such as Obama, and his doggie-platter. But I think in the end, food habits is one of those things that really is just cultural, and our disgust at what others eat is just because the drastic gulf between cultures is so obvious. The fact that we are personally invested in the most intimate way (it goes into our body) in what we like to eat makes the differences more profound than other cultural differences.