Answer:
Watching others.
Explanation:
Learning by watching others called the behavior of modeling. The behavior that learns through observation is called modeling. People, dogs, pets learn through imitation and modeling. So that when the pet named Fudge, Hamster and Brownie bring home. Only Fudge let you pet him.
So when you were petting Fudge, Brownie observes that behavior. She observes that you are petting Fudge. She let you pet her as well. So that here the new behavior that Brownie learn was observed, imitate and learn by her. This is an example of learning by watching others' behavior.