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Researchers explained that traffic sounds may drown out birdsong, forcing the animals to become physically aggressive when protecting their territory Michael Nolan/Getty A certain species of bird in ...

Birds produce an impressive variety of songs and calls, but the biological and ecological factors that influence the pitch, or frequencies, that birds create hasn’t been well understood — until now.

The Galápagos yellow warbler is a genetically distinct subspecies of the yellow warbler, which might be familiar to residents of the United States. Alper Yelimlies The Galápagos Islands are famous for ...

It’s making these angry birds choose fight over flight. Humans aren’t the only ones who are prone to road rage. Scientists have found that certain songbirds in the Galapagos behave more aggressively ...