Julie Feinstein is collection manager of the Ambrose Monell Cryo Collection at the American Museum of Natural History. She has authored numerous scientific papers and has done biological field research in the rainforests of French Guiana and Peru and the cloud forest of Taiwan. An avid birder, Feinstein has been birdwatching in every continent except Australia and Antarctica. She blogs about urban wildlife at www.urbanwildlifeguide.net. She lives in Brooklyn.