While finding the creatures takes a lot of work, the results are worth it.

A beaked whale sighting from the researchers’ field study in the Foz do Amazonas Basin. Credit: Machado et al.
WASHINGTON, Sept. 9, 2025 – Whale watching is a popular pastime on coastlines around the world. Cetaceans like blue whales, humpbacks, and orcas can be seen in the wild, and their characteristics are well categorized in science and popular culture. Other cetaceans, however, are less outgoing, preferring to stay out of the limelight.
Beaked whales are considered one of the least understood mammals in the world, which is due to their cryptic…click to read more
From: The Journal of the Acoustical Society of America
Article: Finding beaked whales in the Foz do Amazonas Basin: Visual and acoustic records of a deep diving cetacean
DOI: 10.1121/10.0038973