The recent monkey-faced pig born in China, is just one stellar example of the neurological malformation Holoprosencephaly, which causes animals, and humans to be born with severe facial deformities that sometimes can resemble the cyclops of ancient legend.
The most well known of these is the recent birth of Cy, the Cyclops kitten. But there have been human cases as well, most resulting in still birth, but still presenting interesting fodder for inspection. If you don’t get scared by shit that’s real, click read more
Notice the single eye-like structure and a prominent nose-like proboscis located where the eyes would be.