Low tide uncovers mud flats with their extant waterways, the so-called ‘Priele’ at the Nationalpark Wattenmeer, Wilhelmshaven, Germany. ‘Priel’ may be related to ‘Prill’

a word in English brought over from the Watternmeer .. together with other words reminiscent of some landscape of ooze and sandbanks with marshy regions behind (Some Etymologies).

Courtship in mudflats involves:

Mud Swimming

Mud Floating

Mud Dancing

and Mud Fishing for two.

Not much Mud Action during the winter solstice.

At summer time, a brave human explored the Mud for zoological specimen.