Millions of people around the globe spent some of their childhood watching Big Bird on Sesame Street. The giant, yellow eight-foot-two bird first debuted in 1969 and for decades, fans assumed they ...

Male Galápagos yellow warblers appear to be shifting their behavior and adjusting their calls in response to the din of ...

there’s no denying that their colors play a big role in their beauty and identification. Among the many color variations in ...

“Kids used to make fun of me in elementary school by calling me Big Bird (because I was ‘too tall’ and had ‘yellow’ hair). Here’s to making best buddies with the things that once hurt ...