Search results
Results from the WOW.Com Content Network
The species is one of the first North American birds to lay eggs, and normally has two to three broods per breeding season, which lasts from April to July. [ 13 ] The nest is most commonly located 1.5–4.5 m (4.9–14.8 ft) above the ground in a dense bush or in a fork between two tree branches, and is built by the female alone.
Because of high mortality in the first year of life, a robin has an average life expectancy of 1.1 years; however, once past its first year, life expectancy increases. One robin has been recorded as reaching 19 years of age. [36] A spell of very low temperatures in winter can, however, result in higher mortality rates. [37]
The clutch size is between one and four eggs, with three being the average. The eggs are grey, green or pale blue, and marked with brown to olive-brown splotches and spots, usually concentrated around the large end. Only the females incubate the eggs, and the males feed the females on the nest. [8] The chicks hatch after 14 to 18 days.
Two to three eggs are laid at one day intervals, [18] and are incubated by the female for 14 to 19 days. [19] The eggs measure 13 x 17 mm, [18] and may be off-white, pinkish or pale blue, but always flecked with rusty brown, [6] especially near the thicker end. Both parents will feed the nestlings during the subsequent 14 to 18 days, and for 5 ...
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 red-capped robin (Petroica goodenovii) is a small passerine bird native to Australia. Found in drier regions across much of the continent, it inhabits scrub and open woodland. Like many brightly coloured robins of the family Petroicidae, it is sexually dimorphic. Measuring 10.5–12.5 cm (4.1–4.9 in) in length, the robin has a small, thin ...
Parental care in birds. An American robin (Turdus migratorius) feeding its chick a worm. Parental care refers to the level of investment provided by the mother and the father to ensure development and survival of their offspring. In most birds, parents invest profoundly in their offspring as a mutual effort, making a majority of them socially ...
Description. The white-breasted robin ranges between 14.5 and 17.0 cm ( and in) long, with a wingspan of 22–25 cm (– in). The male weighs 20.5 g, while the female is lighter at 16.5 g. [17] Males and females are similar in coloration, with blue-grey upperparts, paler eyebrows, and whitish underparts. The grey tail is tipped with white.