The canopy keeps a secret. You will hear it more often than you see it. This is not accidental. The long-tailed cuckoo has been optimising for exactly this outcome for a very long time. It is the shining cuckoo's larger, darker, and considerably more elusive cousin. Winter is spent in the Pacific. Fiji, Samoa, Tonga, the Cook Islands, and scattered archipelagos of the central and western Pacific host it. Then in October or November, it flies south to New Zealand. The journey covers several thousand kilometres across open ocean. The bird is not built like a distance flier. It makes the crossing anyway. Distance is relative to necessity. Koekoeā is brown above with intricate pale spotting and barring. The pattern breaks up its outline against bark and shadow. Below, it is pale with heavy brown streaking on the breast and flanks. It looks like a thrush redesigned by a committee that admired camouflage more than beauty. The tail is long and strongly graduated. It is held at a slight downward angle when perched. This gives it an unbalanced look, as if assembled with proportions not quite finalised. The eye is dark and alert. The bill is curved and purposeful. It is built for tearing into caterpillars and beetle larvae. Form follows function. The call identifies it. A harsh, rising screech sounds like metal on metal. It is sudden and carrying. It tears through the canopy from somewhere high up. It is gone before you can locate the source. Once heard, it is not forgotten. It sounds like something being pulled apart. It is unsettling. That is the point. A bird that calls like that does not want to be approached. Warning is effective. The auditory signature precedes the visual confirmation. Most observers never bridge that gap. Feeding involves large insects, caterpillars, beetles, and small lizards. Movement through the canopy is slow and deliberate. There is no rushing. No hiding. Just existing at a height where most observers cannot follow. A long-tailed cuckoo feeding is not skulking. It is just out of reach. Accessibility is a barrier. The bird operates in a zone of reduced human interference. This spatial separation aids its secrecy. Brood parasitism defines its reproduction. Eggs are laid in the nests of other birds. Whitehead (pōpokotea), yellowhead (mōhua), and brown creeper (pīpipi) are common hosts. The cuckoo is larger than its hosts. Much larger. The egg is laid directly into the host's nest. The chick hatches. It evicts the host's young. It is raised alone. Foster parents feed it. They sit on it. They fly themselves ragged to satisfy its hunger. It grows to three times their size. They do not notice. Instinct is a powerful thing. Blindness serves the parasite. The deception is total. It is less common than the shining cuckoo. It is more secretive. It calls less often. It stays higher in the canopy. Birders who hear it are lucky. Birders who see it are luckier. Luck is a resource. In the Pacific, where it winters, it is known as the kārewarewa. In New Zealand, it is koekoeā. The name is onomatopoeic. It sounds like the bird. The bird sounds like its name. Identity is auditory. The population is declining. Habitat loss in the Pacific islands is the main threat. Forests where it winters are being cleared. The cuckoo arrives in spring. It finds its winter home is gone. Return is not guaranteed. The link between seasons is breaking.