Willie Wagtail

The Willie Wagtail is a familiar, confident songbird across Australia, New Guinea, and nearby islands, recognized by its crisp black-and-white plumage and its habit of swaying its long tail side to side almost constantly. It is often seen in open, semi-cleared habitats close to people, including farmland and urban parks.

Plumage is boldly two-toned, with glossy black upperparts, head, and breast contrasting sharply against clean white underparts, a pattern that distinguishes it clearly from the grayer, buffier fantail relatives. A thin white eyebrow-like line of feathers crosses above the eye, and fine whisker-like feathers (rictal bristles) are present around the base of the bill. The tail is long relative to body size and is wagged side to side rather than fanned vertically as in some related fantails, though it can also be spread. Wings are short and rounded for quick, agile flight. The strong black-and-white contrast, larger size, and side-to-side tail motion readily separate this species from grayer fantails.

Sexes look alike in this species. Juveniles show duller, browner upperparts with less crisp contrast than adults, gradually acquiring full black-and-white plumage. Molt is regular, maintaining the sharp plumage contrast that is a hallmark of the adult bird.

Willie Wagtails occupy a very broad range of open habitats, including farmland, open woodland, wetland edges, parks, and gardens, generally avoiding only dense unbroken forest. The species is largely non-migratory and often highly territorial, defending the same area across seasons.

This species feeds on insects, caught both in short sallies from a perch and while walking on the ground. It is noted for its bold, sometimes aggressive behavior toward much larger birds near its nest. Nests are small, neat cups often built on horizontal branches or artificial structures. Its call is a bright, often described as chattering or scolding, series of notes, and the near-constant tail-wagging is one of the most recognizable behavioral traits among Australian birds.