The researchers suggest that the reproductive decline is related to the absence of the birds' chief prey, a small fish called the sand lance.

Hyperoplus is a genus of sand lances native to the northeastern Atlantic Ocean.

A sand lance or sandlance is a fish belonging to the family Ammodytidae.

The sand lance has lent its name to two submarines of the United States Navy:

Protammodytes is a genus of sand lances found in the Atlantic and Pacific oceans.

Humpback whales eat krill and small schooling fish, example herring, capelin, and sand lance.

Ammodytoides is a genus of sand lances native to the Indian and Pacific oceans.

The lesser sand eel or sand lance, Ammodytes tobianus, is a fish, which may be up to 20 cm long.

Ammodytes is a genus of sand lances native to the northern oceans.

Ikanago shoyu of Kagawa Prefecture is made from sand lance.