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The bananaquit builds a spherical lined nest with a side entrance hole, laying up to three eggs, which are incubated solely by the female. [35] It may also build its nest in human-made objects, such as lampshades and garden trellises. The birds breed all year regardless of season and build new nests throughout the year. [31]
The entry holes are usually oblong and six to nine inches (152–228 mm) [3] that permits a single bird to enter with space for a safe landing and passage to the interior whilst at the same time excluding larger predators. [1] Owl holes without landing platforms had grooves or rough surfaces beneath the hole to aid grip.
The nest entrance, a small tunnel in the side, is often so narrow that the bird struggles to get inside. The rifleman builds its nest in holes in tree trunks, on a branch, or even in cavities in the ground. [3]
It is believed to be monogamous. It weaves a cylidrical or spherical nest from twigs (often thorny ones) with a side entrance, and lines the nest chamber with feathers and hair. It places it in a variety of locations including a rock crevice, a bush, a hole in a dirt bank, and another bird's abandoned nest. The clutch size is two to four eggs.
An entrance hole is made on the side and towards the end, a false entry and chamber are constructed below the actual entrance to the nest chamber. The spout at the entrance has a separating septum with the entrance to the actual nest chamber at the upper portion, the septum pushed up with its forehead to close the upper entrance by the bird ...
The saliva nest of the edible-nest swiftlet is used to make bird's nest soup, [107] long considered a delicacy in China. [108] Collection of the swiftlet nests is big business: in one year, more than 3.5 million nests were exported from Borneo to China, [ 109 ] and the industry was estimated at $1 billion US per year (and increasing) in 2008 ...