Wikipedia:Today's featured article/December 25, 2011

The Red-capped Robin is a small passerine bird native to Australia. Found in dryer regions across much of the continent, it inhabits scrub and open woodland. Like many brightly coloured robins of the Petroicidae family, it is sexually dimorphic. Measuring 10.5–12.5 cm (4–5 in) in length, the robin has a small thin black bill, and dark brown eyes and legs. The male has a distinctive red cap and red breast, black upperparts, and a black tail with white tips. The underparts and shoulders are white. The female is an undistinguished grey-brown. This species uses a variety of songs, and males generally sing to advertise territories and attract females. Birds are encountered in pairs or small groups, but the social behaviour has been little studied. The position of the Red-capped Robin and its Australian relatives on the passerine family tree is unclear; the Petroicidae are not closely related to either the European or American Robins but appear to be an early offshoot of the Passerida group of songbirds. The Red-capped Robin is a predominantly ground-feeding bird and its prey consists of insects and spiders. Although widespread, it is uncommon in much of its range and has receded in some areas from human activity. (more...)

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