🐦Bird nests are made from the saliva of birds, particularly swiftlets.
💰Bird nests are one of the most expensive foods in the world by weight.
🌿Bird nests are believed to have health benefits, although scientific evidence is limited.
🏞️Bird nests can be found both in mountain caves and man-made birdhouses.
🚀The bird nest industry has seen rapid expansion in recent years, with products ranging from bird nest juice to instant bird nest.