How many behemoths are in Fallout 4?

In Fallout 4, there are a total of 5 behemoths that can be encountered throughout the game. These massive, mutated creatures are found in various locations, including the Glowing Sea and near certain settlements. Players can engage them in combat, but they pose a significant challenge due to their size and strength. Additionally, there are other behemoths that can appear in the game's DLC content.