What does the cuckoo look like?

The cuckoo is a medium-sized bird, typically characterized by its slender body, long tail, and pointed wings. Its plumage is often grayish or brownish, with some species exhibiting striking patterns and markings. Many cuckoo species, like the common cuckoo, have a distinctive yellow eye and a call that is easily recognizable. Their appearance can vary significantly among different species, with some displaying vibrant colors and unique features.