"Chirp like birds" is a common phrase to describe the sounds of small, feathered creatures. However, there are many synonyms that can be used to convey the same idea. "Twitter," "cheep," "chirrup," "peep," and "warble" are some of the most popular alternatives. Each one has a slightly different connotation and may be used depending on the context of the situation. For instance, "warble" may be used to describe a melodious bird call, while "peep" is often used to describe a high-pitched, repetitive noise. Regardless of the word chosen, these synonyms all convey the same sense of joy and liveliness associated with the sounds of birds.