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Cyathus striatus, commonly known as the fluted bird's nest, [5] [6] is a common saprobic bird's nest fungus with a widespread distribution throughout temperate regions of the world. This fungus resembles a miniature bird's nest with numerous tiny "eggs"; the eggs, or peridioles , are actually lens-shaped bodies that contain spores .
These names come from the nests of intricately woven vegetation created by birds in this family. In most recent classifications, the Ploceidae are a clade that excludes some birds that have historically been placed in the family, such as some of the sparrows , but which includes the monotypic subfamily Amblyospizinae .
The nests are "splash-cups". [8] When a raindrop hits one at the right angle, the walls are shaped such that the eggs are expelled to about 1 m (3 ft 3 in) away from the cup in some species. Some species have a sticky trailing thread, a funicular cord, attached to the peridiole. If that thread encounters a twig on its flight, the peridiole will ...
The smallest bird nests are those of some hummingbirds, tiny cups which can be a mere 2 cm (0.8 in) across and 2–3 cm (0.8–1.2 in) high. [1] At the other extreme, some nest mounds built by the dusky scrubfowl measure more than 11 m (36 ft) in diameter and stand nearly 5 m (16 ft) tall. [2] The study of birds' nests is known as caliology.
Nests have been recorded from the eaves of buildings, on creepers on walls, in holes in earth banks, and in holes in haystacks. Sometimes the Cape sparrow nests in the disused nests of other birds, such as weavers and swallows. Pairs that nest away from colonies usually choose low bushes or utility poles as nesting sites. [20]
The phainopepla is a striking bird, 16–20 cm (6.3–7.9 in) long with a noticeable crest and a long tail; it is slender, and has an upright posture when it perches. Its bill is short and slender. The male is glossy black, and has a white wing patch that is visible when it flies; the female is plain gray and has a lighter gray wing patch.
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Combined with the fact that Montezuma oropendolas do not allow Cowbirds near their nest, they have no defense against botflies. Nest success is fairly low for the Montezuma Oropendola. The females lay an average of two eggs per nest, but only one is fledged and only one third of the nests in the colonies are successful. Because of their ...