Photo 51367570, (c) Ken Rosenthal, some rights reserved (CC BY-NC), uploaded by Ken Rosenthal

Attribution © Ken Rosenthal some rights reserved Uploaded by krosenthal Source iNaturalist Associated observations Photos / Sounds 2 photos What Black Swallowtail (Papilio polyxenes) Observer krosenthal Date September 10, 2019 11:01 AM EDT Place Northeast Washington, Washington, DC, USA (Google, OSM) Date Added September 14, 2019 09:12 PM EDT 2 IDs Research Grade View Sizes small medium large original