Here's an appetizing video of baby caecilians, a mysterious subterranean order of amphibians, peeling and eating the skin off their mother's tail. BBC producers recently caught the meal on video for the first time. From a BBC News article:
The female caecilian's skin becomes thicker and more nutrient-rich when she bears offspring.
And the young have specialised teeth for tearing and removing it.
…The caecilian babies would only eat their mother's skin for about 10 minutes, once every three days, and often at night.