Photo 11467639, (c) Aaron Liston, some rights reserved (CC BY), uploaded by Aaron Liston

Attribution © Aaron Liston some rights reserved Uploaded by aaronliston Source iNaturalist Associated observations Photos / Sounds 3 photos What Ladder-backed Woodpecker (Dryobates scalaris) Observer aaronliston Date October 27, 2017 08:21 AM PDT Place North Mountain Village, Phoenix, AZ, USA (Google, OSM) Date Added October 27, 2017 05:35 PM PDT 4 IDs Research Grade View Sizes small medium large original