How do baby birds learn their songs? Why does a female bird want a mate who knows his neighborhood songs? What impact does bird migration have on the 9/11 memorial “Tribute in Light”? These are some of the many fascinating issues that come up in my discussion with Alan Clark of Fordham University, a biologist and expert in bird vocalizations, whose career was inspired by the experience of falling in love at-first-sight with penguins he met during a research fellowship in New Zealand.