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Edible bird's nests, also known as swallow nests (Chinese: 燕窝; pinyin: yànwō), are bird nests created from solidified saliva by edible-nest swiftlets, Indian swiftlets and other swiftlets of the genera Aerodramus, Hydrochous, Schoutedenapus and Collocalia, which are harvested for human consumption. Edible swiftlet nests, packaged for sale
The nest is a structure of primarily three levels: the first level acts as a foundation and is usually made up of twigs, mud, small pebbles, and in at least a few reported cases, small river mollusk shells were used; the second level of the nest is made up of grasses, finer smaller twigs; the third level of construction composing the nest is a ...
The greater striped swallow is common, unafraid of humans, and has benefited from the availability of nest sites around habitation. It feeds mainly on flying insects, but has been known to eat small fruits. It is a bird of dry open country, such as grassland, and has a preference for hills and mountains.
In general, the male selects a nest site, and then attracts a female using song and flight and (dependent on the species) guards his territory. The size of the territory varies depending on the species of swallow; in colonial-nesting species, it tends to be small, but it may be much larger for solitary nesters. Outside the breeding season, some ...
The barn swallow is a bird of open country that normally nests in man-made structures and consequently has spread with human expansion. It builds a cup nest from mud pellets in barns or similar structures and feeds on insects caught in flight. [5]
The cliff swallow or American cliff swallow (Petrochelidon pyrrhonota) is a member of the passerine bird family Hirundinidae, the swallows and martins. [2] The generic name Petrochelidon is derived from the Ancient Greek petros meaning "stone" and khelidon (χελιδών) "swallow", and the specific name pyrrhonota comes from purrhos meaning "flame-coloured" and -notos "-backed".
The lesser striped swallow builds a bowl-shaped mud nest with a tubular entrance on the underside of a suitable structure. The nest has a soft lining, and may be reused in later years. The nest may be built in a cave, under a rock overhang or a tree branch. This species has benefited from its willingness to use buildings, bridges, culverts and ...
Petrochelidon is a genus of birds known as cliff-nesting swallows.The genus name Petrochelidon is from the Greek words petra, "rock", and khelidon, "swallow". [2]The genus includes all of the five species of birds commonly called cliff swallow, and contains the following species: