Photo 2840234, (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young

Attribution © Alison Young some rights reserved Uploaded by kestrel Source iNaturalist Associated observations Photos / Sounds What Slate Pencil Urchin (Eucidaris thouarsii) Observer kestrel Date January 2, 2016 11:53 AM PST Place La Paz, Baja California Sur, México (Google, OSM) Date Added January 2, 2016 09:53 PM PST 4 IDs Research Grade View Sizes small medium large original