* Most creatures spawn in [[lair]]s.
* Most creatures like to avoid civilized areas, and will have a reduced spawn rate near such areas. Farmlands do not spawn creatures at all.
* There are basically two types of creatures in Wurm. Normal animals which can be tamed, and are usually based on real-world domesticated animals, and monsters which cannot be [[tame]]d, which are sometimes also known in the real world, but which can often can be [[dominate]]d.
* Animals are attracted to food-sources. Creatures such as [[huge spider]]s would come to piles of meat, while unicorns would come to piles of seed.
* Some animals have various conditions that affect their strengths and weaknesses. See [[Animal conditions]] for more info.