Thinking about my game world and what should happen in it in the not so close future, I came to a simple decision: WAR. This is an article on the topic of war.
Traps need to make sense. Somebody must of made it for a specific purpose.
The Californian Sea Otter, as a species, eats about 30 different types of food found throughout its range. Each individual otter, however, will only eat 3 or 4 of these foods - those it was fed by its mother as a child. It will not eat the others even if failure to do so means it would starve. Maybe other, possibly larger and more dangerous creatures and monsters, have similar habits.