An employee at a Centers for Illness Control and Avoidance lab harvests bird flu infections for showing other labs in 2013. CDC/James Gathany Controversial laboratory research studies that customize... Read more »
Uncommon feathers maintained in 100- million-year-old Cretaceous amber might have been utilized as protective decoys. Pierre Cockx/RSM One hundred million years back, the sky was filled with birds unlike... Read more »
This male spotted bluethroat bursts into tune by triggering an organ deep in its throat. Hans Glader/MindenPictures The sweet-sounding call of lots of birds originates from a mystical organ... Read more »