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The South Island robin is listed as being of least concern on the IUCN Red List. [1] However, the Stewart Island robin (Petroica australis rakiura) has gone through a couple of bottlenecked populations recently because of deforestation and habitat loss, as well as introduced predators, such as rats, stoats, and feral cats. [11]
The American robin (Turdus migratorius) is a migratory bird of the true thrush genus and Turdidae, the wider thrush family. It is named after the European robin [3] because of its reddish-orange breast, though the two species are not closely related, with the European robin belonging to the Old World flycatcher family. The American robin is ...
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 ...
Both the male and female sing throughout the year, including during the winter, when they hold separate territories. During the winter, the robin's song is more plaintive than the summer version. [28] The female robin moves a short distance from the summer nesting territory to a nearby area that is more suitable for winter feeding.
Territoriality in buff-sided robins is poorly understood, but males and male/female pairs maintain discrete territories, with MacGillivray (1914) noting that "...each pair seems to have its own locality." [16] Banding studies indicate that males can occupy a site or territory over many years and adults are typically resident or sedentary. [33]
The female robin will make the nest, and while she lays and incubates the eggs, the male will feed the female for a rest. Eggs are laid between early October and late December. A second clutch may be laid if the first is unsuccessful. The clutch size varies from one to three eggs, but two is typical. Eggs are creamy in colour with purple splotches.
This is why most orange cats are male (one copy of the orange gene from their mother on the X chromosome) but nearly all tricolor cats (calico) or tortoiseshell cats (black and orange) are female ...
Measuring 10.5–12.5 cm (4.1–4.9 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.