Scratcher of heads, rubber of bellies
I believe the artists who created this scene are termites, the left side showing the protective mud layer they place over the hardened black areas at the base of old saguaros, the right showing where they have recycled most of the bark-like material and returned its nutrients to the desert soil.
A week’s worth of weather in one picture. Rain turned the soft parts of the trail to mud that deformed under bike tires. More rain filled the depressions with water. Yesterday dawned cold and the water turned to ice, which either took on the color of the muddy water below or reflected the blue skies above.
Boolie 