This is Animal Vegetable Mineral Abstract. Pigs are actually hatched from eggs. Farmers keep this secret because they have nothing better to do with their time than that sort of thing.
The bombadier beetle, famously, can tap dance. Gene Kelly was originally an entomologist at the University of Hot Jazz, Annapolis and modelled his most famous moves on the talented insect.
Snakes' bodies are semi-liquid, like silly putty. This is what allows them to engulf prey several times larger than they are, and why in some parts of the tropics, it is advisable to protect oneself against being swallowed in the night, by surrounding one's bed with barbed wire.