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Birds which build in trees generally have blue or greenish eggs, either spotted or unspotted, while birds that build in bushes or near or on the ground are likely to lay speckled eggs. The color of individual eggs is also genetically influenced, and appears to be inherited through the mother only, suggesting the gene responsible for ...
They lay two to five speckled eggs, sometimes laying two or more clutches per year. Both parents help raise the young. [ 2 ] In almost all cases, the nest is placed on a branch; the only exceptions are the three species of bluebird , which nest in holes.
Cuckoos that target dunnock nests lay white, brown-speckled eggs, in contrast to the dunnock's own blue eggs. The theory suggests that common redstarts have been parasitised by common cuckoos for longer, and so have evolved to be better than the dunnocks at noticing the cuckoo eggs.
Their creamy, speckled eggs are tiny. The Wildlife Trust points out that three willow warbler eggs together are about the size of one penny. The mother warbler hatches the eggs herself, but once ...
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. [ 16 ] 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.
Large white-headed gulls are usually long-lived birds, with a maximum age of 49 years recorded for the European herring gull. [6] Gulls nest in large, densely packed, noisy colonies. They lay two or three speckled eggs in nests composed of vegetation. The young are precocial, born with dark mottled down and mobile upon hatching. [7]
Pipits are ground nesters, laying up to six speckled eggs. ... The generic name Anthus is the Latin word for a small bird of grasslands mentioned by Pliny the Elder. [3]
Up to five speckled eggs are laid in open tree nests and incubated by the female. Incubation usually lasts between 11 and 14 days, and chicks fledge after 12–16 days. [ 16 ]