The common cuckoo is a well-known bird species found across Eurasia and Africa. Its distinctive call, often heard in spring, is a familiar sound in many parts of the world. However, there are other words that can be used as synonyms for this bird. For example, the terms European cuckoo or Eurasian cuckoo can be used to refer to the same species. These alternate names reflect the geographical spread of the bird across Europe and Asia. Another synonym that is sometimes used is the grey cuckoo, which describes the bird's overall colouration. Regardless of the name used, the common cuckoo remains a fascinating bird with a unique lifestyle and remarkable vocal abilities.