Birds nests made by edible-nest swiftlets using solidified saliva is highly prized all throughout Asia with a single kilogram selling for over $2000.00. Edible-nest swiftlet nests are believed by those who subscribe to the practice of eastern, more specifically Chinese medicine, to boost the immune system, improve skin complexion, and to fight signs of aging, however none of these claims have been backed up with scientific evidence. Edible-nest swiftlets prefer to create their nests in dark caves, so aside from farming them in specialized dark rooms, acquiring them in nature is incredibly dangerous as steep and sheer cliffs must be scaled to reach the nests which are precariously high above ground level. It takes edible-nest swiftlets 40 days to make a single nest and nests can only be produced during the breeding season which is when the edible-nest swiftlets salivary glands engorge