Read the following sentences. Victor was lonely until he heard that birds of a feather flock together. He took out his baseball card collection and began to talk about baseball with William. The two baseball fans became good friends. What is the meaning of the adage or proverb birds of a feather flock together? Friendship makes it difficult to feel lonely. Make friends by talking about sports. People spend time with others who are similar to them. You rarely see different animals hanging out with each other.