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Their influence on the ecosystem earns them the title of keystone species.
它們對生態系統的影響讓它們贏得關鍵物種的頭銜
Big Sur attracts many unique creatures.
大索爾吸引著許多獨特的動物
California condors rely on an aerial view.
加州禿鷲依賴氣流翱翔
Until recently, only a handful of these Pleistocene relics were still alive on Earth.
直到最近,才發現有少數更新世遺孤依然存活在地球上
Big Sur now boasts about 80 of the huge scavengers.
大索爾現在生活著約80中食腐動物
Every adult bird wears a number and a GPS device so that scientists can monitor their lives.
每只成鳥都帶著號碼牌和GPS裝置因此,科學家便能了解它們的一舉一動
Condors mate for life-- but they don't build nests.
禿鷲與配偶廝守終生-- 但它們不筑巢
The same ledge or hole is used every two years, for a single egg.
同樣的巖壁或洞穴它們只使用2年并擇地產卵
This is some of the first footage captured inside a wild nest.
這是第一個用鏡頭捕捉的野外巢穴
The camera was placed by biologists who hope to discover which condors make good parents--and why.
該攝像機的安置是科學家希望探尋禿鷲如何做一個好父母--且為什么這么做
But, while condors are devoted to their families,
但是,盡管禿鷲于家庭勤勤懇懇
they largely depend upon humans for their food.
而它們的食物很大程度上取決于人類
