Photo 26478544, (c) Joe Potter Butler, some rights reserved (CC BY), uploaded by Joe Potter Butler

Attribution © Joe Potter Butler some rights reserved Uploaded by joepb Source iNaturalist NZ Associated observations Photos / Sounds What Black-billed Gull (Chroicocephalus bulleri) Observer joepb Date October 2018 Place Canterbury, NZ (Google, OSM) Date Added October 12, 2018 02:16 PM NZDT 2 IDs Research Grade View Sizes small medium large original Copyright