back from extinction

ガラパゴスゾウガメにかかわるニュースからお伝えします。

Giant Tortoises Are Back From Near Extinction

They were down to only 15 about 50 years ago

Giant tortoises endemic to the Galapagos Islands are back from near extinction, according to a study published Tuesday in PLOS One.

http://time.com/3544926/giant-tortoises-galapagos/

本文に即して解釈すると、back from extinctionは「絶滅（の危機）から免れる、回復する、持ち直す」ですね。Reutersの方はここのbe back fromをrally fromに置き換えていました。(Kawada)