Examples:

• Birds of a feather flock together.
• Birds of a feather flock together.
• Mr President, birds of a feather flock together.
• Birds of a feather flock together.
• There's two old adages: "Birds of a feather flock together." And "Opposites attract."
• Birds of a feather flock together.
• Another possibility, very obvious, is homophily, or, birds of a feather flock together; here, I form my tie to you because you and I share a similar body size.
• It is true that ‘birds of a feather stick together’ and that the major Western states have as many and more wars of oppression to their name as Russia.
• Jenny and Carlos are birds of a feather. They like the same shows and laugh at the same jokes.
• Believe me, Amy is a cool girl. People say that birds of a feather flock together, but she is not like her conceited friends in the least.