page_title: Willie wagtail
section_title: Breeding
hierarchical_section_title: Willie wagtail / Behaviour / Breeding
caption_attribution_description: English: Taken in Brassall Queensland Australia by A.Wutke
context_page_description: The willie wagtail is a passerine bird native to Australia, New Guinea, the Solomon Islands, the Bismarck Archipelago, and Eastern Indonesia. It is a common and familiar bird throughout much of its range, living in most habitats apart from thick forest. Measuring 19–21.5 cm in length, the willie wagtail is contrastingly coloured with almost entirely black upperparts and white underparts; the male and female have similar plumage.
  Three subspecies are recognised; Rhipidura leucophrys leucophrys from central and southern Australia, the smaller R. l. picata from northern Australia, and the larger R. l. melaleuca from New Guinea and islands in its vicinity. It is unrelated to the true wagtails of the genus Motacilla; it is a member of the fantail genus Rhipidura and is a part of a "core corvine" group that includes true crows and ravens, drongos and birds of paradise. Within this group, fantails are placed either in the family Dicruridae, alongside drongos, or in their own small family, Rhipiduridae.
  The willie wagtail is insectivorous and spends much time chasing prey in open habitat.
context_section_description: Willie wagtails usually pair for life. The breeding season lasts from July to December, more often occurring after rain in drier regions. Anywhere up to four broods may be raised during this time. It builds a cup-like nest on a tree branch away from leaves or cover, less than 5 m (16 ft) above the ground. Rafters and eaves may also be used. It has been observed to build its nest in the vicinity of those of the magpie-lark (Grallina cyanoleuca), possibly taking advantage of the latter bird's territoriality and aggression toward intruders. Similarly, it is not afraid to build near human habitation.
  The nest consists of grass stems, strips of bark, and other fibrous material which is bound and woven together with spider web. Even hair from pet dogs and cats may be used. It has also been observed attempting to take hair from a pet goat. An alpaca breeder in the Mudgee District of New South Wales has observed alpaca fleece in the nests of willy wagtails (the results of scraps of fleece not picked up at shearing time). The female lays two to four small cream-white eggs with brownish markings measuring 16 mm × 21 mm (0.63 in × 0.83 in), and incubates them for 14 days. Like all passerines, the chicks are altricial and nidicolous; they are born naked and helpless with closed eyes, and remain in the nest. Both parents take part in feeding the young, and may continue to do so while embarking on another brood. Nestlings remain in the nest for around 14 days before fledging. Upon leaving, the fledglings will remain hidden in cover nearby for one or two days before venturing further afield, up to 20 m (66 ft) away by the third day. Parents will stop feeding their fledglings near the end of the second week, as the young birds increasingly forage for themselves, and soon afterwards drive them out of the territory.
  The female pallid cuckoo (Cuculus pallidus) will lay eggs in a willie wagtail nest, although the hosts often recognise and eject the foreign eggs, so successful brood parasitism is rare. Parasitism by the fan-tailed (Cacomantis flabelliformis), brush, (C. variolosus), Horsfield's bronze (Chrysococcyx basalis), and shining bronze cuckoo (C. lucidus) has also been reported.
  Although the willie wagtail is an aggressive defender of its nest, predators do account for many eggs and young. About two thirds of eggs hatch successfully, and a third leave the nest as fledglings. Nestlings may be preyed upon by both pied butcherbirds, (Cracticus nigrogularis) black butcherbirds (C. quoyi), the spangled drongo (Dicrurus bracteatus), and the pied currawong (Strepera graculina), as well as the feral cat (Felis catus), and rat species. The proximity of nesting to human habitation has also left nests open to destruction by children. Mostly male willie wagtails sing at night only during breeding season.The song rate increases with lunar illumination.
caption: A well-guarded nest
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