Ambergris is produced in the digestive system of sperm whales, the largest toothed predator — which have long been listed as “endangered” under the Endangered Species Act.

The whale's digestive system is divided into several stomachs. The first is composed of very tough muscle, which acts much like a gizzard to crush food and resist damage from squid beaks.

A young male sperm whale that was found dead off the coast of Spain had 64 pounds of garbage in its digestive system. The 33-foot whale’s carcass surfaced in February near a lighthouse in Cabo ...

A young male sperm whale that was found dead off the coast of Spain had 64 pounds (29 kilograms) of garbage in its digestive system. The 33-foot whale's carcass surfaced in February near a ...

A young male sperm whale that was found dead off the coast of Spain had 64 pounds of garbage in its digestive system. The 33-foot whale’s carcass surfaced in February near a lighthouse in Cabo ...

A dead sperm whale was found on a beach in southern Spain earlier this year. Scientists running tests on its body found 29kg of trash made by humans in its digestive system. The waste included ...

The body of a juvenile sperm whale was found on a beach in Spain's Murcia region. Región de Murcia Plastic bags. Rope. Pieces of nets. A drum. These items were among 64 pounds of trash found in ...