While the mystery object was assumed to be the remains of a decomposing marine animal, de la Rosa Camacho noted that it did not have a strong or unpleasant smell. And though the investigation revealed bones within the heap, officials could not identify what type of animal it was, he said.
Heading off rumors Though it's tempting to assign a monstrous identity to this unfamiliar object, the most probable explanation is that it's the top half of the head mass for a sperm whale, said James Mead, curator emeritus of marine mammals at the National Museum of Natural History in Washington, D.C.
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In sperm whales, the roomy top part of the head is divided into two main regions, Mead told Live Science in an email. The top area is occupied by the spermaceti organ, a holding container for a waxy liquid that helps the whale with echolocation. In the bottom area is what's known as "the junk," which is mostly connective tissue.
Mead explained that the flesh pile on the beach is probably a sperm whale's junk and the top part of the head minus the spermaceti organ.