Laughing kookaburra Laughing kookaburra The laughing kookaburra ("Dacelo novaeguineae") is a bird in the kingfisher subfamily Halcyoninae. It is a large robust kingfisher with a whitish head and a dark eye-stripe. The upperparts are mostly dark brown but there is a mottled light-blue patch on the wing coverts. The underparts are white and the tail is barred with rufous and black. The plumage of the male and female birds is similar. The territorial call is a distinctive laugh that is often delivered by several birds at the same time, and is widely used as a stock sound effect in situations that involve
The Mockery Bird (symbiosis) between the two species.It means ecological conditions which are congenial for one species are good for the other. In the book, Professor Droom discovers the nature of this relationship: the bird feeds on the fruit of the tree, and spreads its seeds. Also, the caterpillars of a large species of moth feed on the leaves of the Ombu tree, and this very same moth species pollinates the Amela trees, the main product of Zenkali. So all species on the island, including humans, are linked in an ecological chain. The Mockery Bird The Mockery Bird is a humorous novel by