The other day I had the pleasure of babysitting my oldest grandchild....who is on the high-side of 3. We, well....I, decided to go out to the boardwalk in Ocean city around evening with Jonah.
Now Jonah is a young boy, full of energy..... as my daughter told me the other day, ...young boys are like dogs, for they just do things without thinking, much like a dog does. No thought, but plenty of action.
So at the 'boardwalk....boardwalk'.... he took off on me and found the stairs leading to the beach. Over the dunes he skirted and towards the wave line. He stopped right at the watery line....picked up 'whatever' was on the ground and preceded to play in the sand.
As I sat there and watched I noticed that no more than a few yards further down were a small flock of Sanderlings. Now, if you are not aware already, take some time and just observe Sanderlings. What do they do? Well....they move right up to the wave line looking for 'whatever' to eat and as the waves came in, they promptly move back. The waves recede, they move in....in other wards they follow the waves.
Jonah....ditto.....Playing in the sand....he would 'ebb in' when the waves receded and would promptly move back as they crushed into the shore line.
So there I sat...watching two completely different species along the shore line. Both would move in as the waves receded, and both would move up the sand line as the waves came ashore. In random they were....little feet, always in motion as they darted back and forth. Todders and Sanderlings, not much difference.