The cuckoo bird, scientifically known as 'Cuculus canorus' is a fascinating and enigmatic creature found in various parts of the world, including Europe, Asia, and Africa. Known for its unique breeding behaviour and distinct call, the cuckoo has intrigued naturalists and bird enthusiasts for centuries. One of the most distinctive features of the cuckoo is its reproductive strategy, which involves brood parasitism. Female cuckoos lay their eggs in the nests of other bird species, often choosing hosts that are smaller than themselves. The cuckoo egg closely resembles those of the host species, helping it go unnoticed among the host's eggs. Once the cuckoo chick hatches, it usually ejects the host's eggs or chicks from the nest, ensuring it receives all the parental care and resources. The call of the male cuckoo, a familiar "cu-coo" sound, is well-known in many cultures and often associated with the arrival of spring. It is used by males to establish territory