Least Tern or Sterna antillarum
This parent did not locate its chick this time. If the chick was still there & alive I don't know. It broke my heart to watch this parent....
The Tern finally gave up & left.... I can only hope the chick was still there & that no predator had taken it....
NIKON CORPORATION NIKON D300, f/8 @ 800 mm, 1/1000, ISO 640, No Flash
Lil Judd aka LilKnytt Photography (c)