And the main ingredient? The partially dissolved nest of a swiftlet, a small bird native to Southeast Asia. Three times a year, swiftlets build nests out of their sticky saliva on cave walls and ...

And the main ingredient? The partially dissolved nest of a swiftlet, a small bird native to Southeast Asia. Three times a year, swiftlets build nests out of their sticky saliva on cave walls and ...

In the Philippines, collecting the main ingredient for bird's nest soup, swiftlet nests, is one of the most dangerous jobs in Asia. More from Risky Business In the Philippines, collecting the main ...

CAMPBELL, Calif., March 19, 2025 /PRNewswire/ -- High on the cliffs in Borneo, tiny birds known as swiftlets build nests that contain the highest natural concentration of sialic acid in the world.

Edible bird’s nest is made by a species of cave-dwelling swiftlets. Weaved from their saliva and harvested in caves and man-made nesting houses, bird’s nests are then painstakingly cleaned ...