Birdsenjoyarelativelyslowrateofextinctionbutanewstudysu...
問題詳情：Birdsenjoyarelativelyslowrateofextinctionbutanewstudysuggeststhatratemightbeseverelyunderestimated(低估).Evenworse,ifhumanactionscontinue,birdextinctionratescouldskyrocketand12percentoftheknow...