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There are two recognised subspecies of the greater ground robin: [2] A. s. sclateriana - The nominate subspecies, found in the mountains of the Huon Peninsula. A. s. occidentalis - Found in the Oranje Mountains in central New Guinea. It has browner and more mottled underparts than the nominate subspecies does. [2] [3]
The Zero Gravity Research Facility was built in 1966 as part of NASA's Centaur upper-stage rocket development program. In order to ensure proper firing and functioning of upper-stage rockets, NASA needed to understand the behavior of fluids (importantly, the liquid gases fueling the rockets), in the reduced gravity where they would fire.
The nest is a shallow cup made of bark, grass, and dry leaves. Spider webs are used for binding or filling, and strips of fern and palm for lining; the outside is decorated by dried vegetation. The nest is generally placed in a lawyer vine up to 10 m (30 ft) above the ground. A clutch of one or two eggs is laid.
The North Island robin (Petroica longipes; Māori: toutouwai, pronounced [ˈtoutouwai]) [2] is a species of Australasian robin endemic to the North Island of New Zealand.It and the South Island robin (P. australis) of the South Island and Stewart Island were once considered conspecific (and called the "New Zealand robin"), but mitochondrial DNA sequences have shown that the two lineages split ...
The Australasian robin family was first introduced in 1888, as a subfamily with the spelling Petroecinae, by the English ornithologist Alfred Newton. [1] Although named after true robins, the Australian robins, along with many other insect-eating birds, were originally classified as flycatchers in a huge family Muscicapidae. [2]
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Deep cup nest of the great reed-warbler. A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American robin or Eurasian blackbird, or the elaborately woven hanging nest of the Montezuma oropendola or the village weaver—that is too ...
The position of the red-capped robin is unclear; it and its relatives are unrelated to European or American robins, but they appear to be an early offshoot of the songbird infraorder Passerida. 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 ...