Nests

There is quite a variety of nests, each one having a specific creature related to it.

Giant ants nest
Giant ants nests are found underground and spawn giant ants. They are generated at the begining of the game when the whole world's map is randomly generated. They cannot be attacked directly, but they will be destroyed after all nearby beetles have been killed.

Rats nest
Rats nests will spawn inside the shelter as soon as a table is placed and breed rats. This kind of nest appear at the darkests corners of the dwarf's house. And if there is no dark corner, but the shelter comfort is still lower than 50%, it will keep spawning in any corner.

Giant spiders nest
Giant spiders nests are composed basically by webs and are made by spiders in all worlds, except the Underground World. Theses nests will appear in the underground after the player has reached 20% of the level's total depth.

Dragons nest
Dragons nests are formed basically by one dragon egg over one block of earth floating at the lava level. They're kept by dragons.

Black dragons nest
Black dragons nest are only found in the Underground World, in deep caves guarded by black dragons and, sometimes, guardians. They're like a coin pile with some dragon eggs over it.

Flying octopuses nest
Flying octopuses nest are made by flying octopuses in the Underground World, usually on top of any ledges, specially on the floating islands. After placing a new nest, the flying octopus will protect it with its life.