Trypoxylon South Fork Little Rock Creek, ~5900 ft. elev., San Gabriel Mountains, Los Angeles County, California, USA July 10, 2008
Used Triplehorn & Johnson for ID.
There were quite a few, frequently landing in shallow, brackish water, probably for building their nests.
Contributed by Hartmut Wisch on 11 July, 2008 - 10:06am Last updated 25 April, 2011 - 1:54am |