Formation1 and Formation2

Formation1 and Formation2

Observation - Formation1 and Formation2. Description: A large area of bumps in the sand. Made by creatures? If so what? No evidence of interest by birds or other predators. Not an isolated case: not particularly seasonal. If not creatures, any idea what physical process might be responsible?

A large area of bumps in the sand. Made by creatures? If so what? No evidence of interest by birds or other predators. Not an isolated case: not particularly seasonal.
If not creatures, any idea what physical process might be responsible?