The goliath bird eating spider helps other animals survive. So they help by eating bugs like flys and ants. They also scare rodents away so they don’t keep bothering you. They are also good for keeping animals in control. They are good to help animals in need of help. This fascinating animal is also helpful to produce food for animals that are starving. They live in the south like venezuela and Brazil. These are all reasons how they help the animals in their environment.