Photo 390748, (c) robberfly, some rights reserved (CC BY-NC), uploaded by Liam O'Brien

Medium
Attribution © robberfly
Cc by nc small some rights reserved
Uploaded by robberfly robberfly
Source iNaturalist.org
Original http://www.inaturalist.org/photos/390748
Associated observations

Photos / Sounds

Square

What

Blue Mud Dauber Chalybion californicum

Observer

robberfly

Date

June 27, 2013 01:46 PM PDT

Description

Watched it backfill it's hole opening....

Sizes