There, you can give them names, trade items with them, equip them with accessories and have them scavenge for loot. What it does is allow you to turn any wasteland animal into a Companion. All the buttons below link back to Bethesda.
With this list, we hope to show you some mods which not only massively affect the behaviour of existing creatures, but ones which add new ones. Some will attack on sight, some will be friendly to the player. Creatures and Animals are abundant in Fallout 4, with their being many different types.