What is outweighed by the costs associated with competition when potoroos live in close proximity?

Answer

Benefits of pooling resources or sharing vigilance against predators

The text indicates that the benefits of pooling resources or sharing vigilance against predators are outweighed by the costs associated with competition for food or mates when living near one another.

What is outweighed by the costs associated with competition when potoroos live in close proximity?
animalwildlifemarsupialgroupPotoroo