Somewhere over the rainbow 48 million years ago, a happy little blue bird flew—until it soared over a lake belching toxic gases and died. The lake’s sediments then entombed the bird’s body, ...
A routine birdwatching moment in Tocantins, Brazil, ended with a surprise that even seasoned observers rarely see. A wild parakeet showed up looking more sky-blue than leaf-green. The bird appears to ...
Examining fossilised pigments, scientists from the University of Bristol have uncovered new insights into blue colour tones in prehistoric birds. For some time, paleontologists have known that melanin ...
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