Bird's Nest refers to a nest made of saliva secreted by some Swifts of Swift Family of Swift Order and several Jin Siyan species of Swift genus, and then mixed with other substances.

Bird's Nest is a nest built by some swift and Jin Siyan with saliva and other digestive substances secreted by them. Snow swallows are made by cutting the trunk of apple trees, manually cutting the bark, collecting colloidal secretions and air-drying.

Because the bird's nest contains high content of protein, it smells faint protein smell and tastes soft and elastic. Xueyan is a kind of gum secreted by the pith of Xueyan tree, which has sour taste and soft and dense taste, but both of them will turn into water after long-term soaking and stewing. Remember not to stew for too long.

The difference between snow swallow and bird's nest;

1, essential difference

Snow weir is actually the secretion of snow weir trees, mainly distributed in India, Malaysia and other places, of which India is the main producing area of snow weir. Bird's nest is a bird's nest made of saliva secreted by swallows and other substances, so there is a great difference between them.

2. Color difference

The color of snow swallow is generally ivory white and shiny, while the color of bird's nest is generally bright white, with a little transparency and luster, which looks more crystal clear.

3. Difference of foaming rate

Generally speaking, the puffing rate of snow swallow can reach about 30-50 times, and the puffing rate of bird's nest can reach about 6- 13 times, and there is a significant difference between them.

Baidu encyclopedia-bird's nest