The video explores the concept of cannibalism in the animal kingdom, highlighting its evolutionary advantages. It covers various forms of cannibalism, including intrauterine cannibalism in sand tiger sharks, sexual cannibalism in spiders, and filial cannibalism in Sicilians. The video emphasizes that while human cannibalism is taboo, it can be a strategic survival tactic for animals.

Explain the concept of filial cannibalism and its purpose in animal behavior.

What unique feeding behavior do Sicilians exhibit towards their offspring?