Boomalope

A large creature in the 2013 video game Rimworld, which is related to the boomrat. It explodes in a much larger explosion, must be kept in a pen, or hitched to a hitching spot, and can be milked for chemfuel (the rimworld equivalent of gasoline.) They often live in herds, and eat solely plant based foods. As pen animals, they cannot be trained in combat, rescue, or hauling, but provide something helpful in return.