. . . . . . . . . "Setophaga nigrescens" . . "Setophaga townsendi" . . "Julie. 2017. Setophaga nigrescens associated species with names lookup Setophaga townsendi. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/8479777> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .