Birdsenjoyarelativelyslowrateofextinctionbutanewstudysu...
问题详情：Birdsenjoyarelativelyslowrateofextinctionbutanewstudysuggeststhatratemightbeseverelyunderestimated(低估).Evenworse,ifhumanactionscontinue,birdextinctionratescouldskyrocketand12percentoftheknow...