Little Blue Heron
Egretta caerulea

Adult Little Blue Heron, Costa Rica

Immature Little Blue Heron
Mission Bay Channel, San Diego

Little Blue Herons are regulars in the San Diego area.  They are often seen in the Mission Bay Channel or Famosa Slough.  They are also rare visitors to the Salton Sea, sometimes showing up there in their immature white garb.

Both photos taken with Canon Elan II; transparencies then scanned, Henry Detwiler, 2000