What is "honeyeater"

n. Any of the many Australasian birds of the family Meliphagidae, which have a tongue adapted for obtaining nectar from flowers.

The honeyeaters are a large and diverse family of small to medium-sized birds most common in Australia and New Guinea, but also found in New Zealand, the Pacific islands as far east as Samoa and Tonga, and the islands to the north and west of New Guinea known as Wallacea. Bali, on the other side of the Wallace Line, has a single species.

Honeyeaters and the Australian chats make up the family Meliphagidae. In total there are 182 species in 42 genera, roughly half of them native to Australia, many of the remainder occupying New Guinea. With their closest relatives, the Maluridae (Australian fairy-wrens), Pardalotidae (pardalotes), and Acanthizidae (thornbills, Australian warblers, scrubwrens, etc.) they comprise the superfamily Meliphagoidea and originated early in the evolutionary history of the oscine passerine radiation. Although honeyeaters look and behave very much like other nectar-feeding passerines around the world (such as the sunbirds and flowerpeckers), they are unrelated, and the similarities are the consequence of convergent evolution.

The extent of the evolutionary partnership between honeyeaters and Australasian flowering plants is unknown, but probably substantial. A great many Australian plants are fertilised by honeyeaters, particularly the Proteaceae, Myrtaceae, and Epacridaceae. It is known that the honeyeaters are important in New Zealand as well, and assumed that the same applies in other areas.