article_snippet.sent: The remains, which were discovered in Panama, indicate that the organ involved in sound generation and echolocation got smaller throughout the whale’s evolution.
article_snippet.sent: This is the evolutionary tree of sperm whales showing links between extinct and living species, and when the spermaceti organ changed shape .
article_snippet.sent: The remains, which were discovered in Panama, indicate that the bone involved in sound generation and echolocation got smaller throughout the evolution of the sperm whale.
article_snippet.sent: In contrast modern sperm whales (a stock image is shown) are much larger than the bone involved in sound generation and echolocation got smaller throughout the evolution of the sperm whale extinct relatives .
article_snippet.sent: the sperm whale's clicking vocalisation - a form of echolocation and communication - can be as loud as 230 decibels underwater, making it the loudest sound produced by any animal.
article_snippet.sent: it reveals an unexpected level of complexity in the evolution of the spermaceti, which is an organ located within the head that plays a key role in the generation of sound and in the whale’s capacity for echolocation.
highlights_snippet.sent: Suggest the bone involved in sound generation and echolocation got smaller throughout the whale’s evolution .
  