The swiftlet's diet from these higher grounds contains more mineral than swiftlets in other areas thus explaining the unique redness of these bird's nests that arises due to the natural interaction between the swiftlet's saliva with the natural habitat.

由于這些金絲燕的食物含有非常高的礦物質(zhì)456亚洲人成高清在线观看，在經(jīng)過(guò)燕子唾液的自然化學(xué)和棲息洞穴之間的相互作用后国产女同调教精品视频，這些燕盞的顏色顯得特別的紅日韩插插碰碰。

Amongst various species of swiftlets in the genus of Collocalia, only the nests of four species habituating in the Southeast Asian region have commercial value because of human consumption.

金絲燕屬中不同種類(lèi)的金絲燕国产小BBWBBWBBWvideos，其中只有4種燕子的窩在東南亞地區(qū)具有人類(lèi)食用的商業(yè)價(jià)值。

It has got nothing to do with cost saving it is my love for Swiftlets farming.

我的對(duì)燕屋農(nóng)場(chǎng)的愛(ài)是與節(jié)省成本沒(méi)有什么關(guān)系的又黄又湿的视频。

I can wait that is what Swiftlets farming is all about.

燕屋農(nóng)場(chǎng)是關(guān)於等待色色大综合。

Who save the swiftlets ???

是誰(shuí)在保護(hù)燕子？纯A级黄毛片一级？永久黄网站色视频免费观看w下载？

but in the pitch black, the swiftlets manage unerringly：但是金絲燕卻能在黑暗中 準(zhǔn)確無(wú)誤地

We need lights to see what's going on,|我們必須有光才能看... | but in the pitch black, the swiftlets manage unerringly|但是金絲燕卻能在黑暗中 準(zhǔn)確無(wú)誤地 | to locate their individual nesting sites,|到達(dá)自...

They're cave swiftlets：它們就是洞金絲燕

to find their way through the cave passages in total darkness.|在漆黑一片的洞穴通道... | They're cave swiftlets.|它們就是洞金絲燕 | Like bats, they use echolocation to navigate.|和蝙蝠一樣,它們也利用回聲...

The pure white nests of cave swiftlets：洞金絲燕的純白燕窩

but the rewards are great.|但卻能得到豐厚的回報(bào) | The pure white nests of cave swiftlets|洞金絲燕的純白燕窩 | are the main ingredient of bird's nest soup|是燕窩羹的主要成分

For 500 years, people have been harvesting the nests of cave swiftlets：500年來(lái),人們一直采集洞金絲燕的燕窩

and not only for the birds.|不僅只是針對(duì)這些... | For 500 years, people have been harvesting the nests of cave swiftlets.|500年來(lái),人們一直采集洞金絲燕的燕窩 | It's a very risky business.|這是一項(xiàng)非常危險(xiǎn)...