Since the Ming Dynasty, Bird's Nest Soup has become a delicious dish of Chinese cuisine for five hundred years. It has a rich nutritional value, such as promoting rapid recovery of lung infections, making the skin look bright and radiant.
Due to its scarcity and high demand for it, especially in mainland China, the Bird's Nest is sold at a favorable price.
The swiftlet is the only bird that can produce edible bird's nest. It lives in a limited area of the world. These areas include China's Hainan Island, Vietnam, Thailand, Myanmar, Peninsular Malaysia, Sumatra, Java, Borneo [including Sarawak, Sabah, Brunei and Kalimantan] and the Philippines.
Bird's nest, which is produced in three main types of swiftlets, is a key ingredient in the soup.
The first species is the white nest swiftlet. It has a scientific name called Aerodramus fuciphagus. It is about 12 cm long and weighs about 16 grams. It has brown-gray feathers and dark brown eyes. Its call is a double click sound that is used to manipulate in the cave. Its bird's nest weighs about 4.5 to 8 grams.
It constructs an edible nest from a pair of large lobes salivary glands located under the tongue. Male swiftlets nest. 85-97% of the nest is the swallow's saliva. This is the most popular item and its price is the highest in the swiftlet nest. The swiftlet nests three times a year. During the breeding season, female swiftlets produce two eggs each time.
The specially constructed swiftlet farm farmers like to raise white swallows. They will try to lure them into the swiftlet house by playing pre-recorded swiftlet sounds.
The second is the black swallow swiftlet. It is also known as Aerodramus maximus. It is bigger than the white nest swiftlet. It is about 13 cm in length and weighs about 28 grams.
It builds dark nests by mixing the secrets of saliva with feathers and plant material. Its feet are full of feathers. Feathers are used for nesting. 5-15% of the nest is the swift silk of the swiftlet. Most bottled or canned bird's nest products are made from this bird's nest.
The third type is the grass nest swiftlet. Its scientific name is Collocalia Esculenta. It has a dark blue body. It is smaller than the white bird's nest swiftlet and the black bird's nest swiftlet. It is about 9 cm in length. It has a high pitch.
It secretly mixes grass with its saliva to build its nest. The nest is brown and contains 5-15% swiftlet saliva. The restaurant likes to use this type of swiftlet as a soup.
It is one of the most common birds on Borneo Island, from lowland oil palm trees to mountain forests, which can be found everywhere in the sky. It feeds on mosquitoes and other small insects. In the city, it stayed in a small colony in some shady buildings. In the forest, it builds its nest under the rock.
Orignal From: Birds that produce edible nests
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