Invasive parasites in the Galápagos Islands may leave some Darwin’s tree finches singing the blues. The nonnative Philornis downsi fly infests the birds’ nests and lays its eggs there. Fly larvae ...

Male zebra finches learn their song by imitating conspecifics. To stand out in the crowd, each male develops its own unique song. Because of this individual-specific song, it was long assumed that ...

Video demonstrating vocal learning by juvenile zebra finches. A baby’s babbling may sound like nonsense, but it’s actually an extended act of trial-and-error ...