Storm-Petrels: Hydrobatidae

Crustaceans, freshwater or saltwater animals without backbones, are key foods in the storm-petrel's diet. Depending on where the petrels are, they may supplement their diet with other marine life as well. They tend to like oily foods, and their stomachs contain the oil found in most tubenoses. This oil is used not only for warding off intruders, but as a food source for adults and chicks when other food supplies are scarce.

They feed just below the surface of the water, and though they seem to prefer eating alone, they will gather together around larger food sources such as a dead squid. Storm-petrels follow fishing vessels, eating the food scraps that spray up from the propellers.