A Checkered White Butterfly rests on a mustard flower at Oso Flaco Lake.
A Checkered White Butterfly rests on a mustard flower at Oso Flaco Lake. Joe Johnston jjohnston@thetribunenews.com
A Checkered White Butterfly rests on a mustard flower at Oso Flaco Lake. Joe Johnston jjohnston@thetribunenews.com