With the swiftlets consuming a rich diet of shrimps and small fishes in addition to insects , these coastal bird ' s nests produced are especially higher in natural proteins and minerals 由于金丝燕除了昆虫之外，还以丰盛的小虾和小鱼为食物，因此，这些沿海生产的燕窝其蛋白质和矿物质方面特别高。
2.
The nests of certain swiftlet species , made largely or wholly from saliva , have been esteemed in chinese cuisine for hundreds of years , being regarded as having a wide range of tonic and medicinal values ; trade records go back to at least the seventeenth century in indonesia 燕窝主要或全部由燕子的唾液造成，是中国数百年来传诵的珍品，认为具有多元化的补身及药疗功效。燕窝的贸易纪录可追溯至十七世纪印尼的燕窝买卖。
3.
The species were proposed to be uplisted in cites appendix ii in 1994 as a result of the increasing swiftlet nest trade through hong kong , together with evidence of over - harvesting and populations declines from southeast asian producing countries . unfortunately , the proposal was withdrawn due to objections from nest - producing countries 由于经香港进出口的燕窝数量不断增加，并有证据显示东南亚的燕窝生产国出现过度开采及燕子数目下降的情况， 1994年有建议把燕子加入濒危野生动植物种国际贸易公约附录二，可惜建议因燕窝生产国反对而遭否决。
