critically

Science And Technology

Bird flu has killed 20 critically endangered California condors

A California condor flying in Grand Canyon Nationwide Park with an identification tag on its wing Trent Townsend/Alamy No less than 20 California condors have died of avian flu in current weeks, and wildlife officers are making ready for the virus’ unfold among the many critically endangered birds. The extremely contagious H5N1 bird flu that’s killing North America’s greatest fowl…