野生 やせい絶滅 ぜつめつじゃなかったです
yaseizetsumetsujanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 野生絶滅

1. Wasn't wild extinction.; Wasn't naturally extinct.

Past/Perfective
Negative
Polite
Casual Register