Galway PhD student Seán O’Callaghan develops a novel method for identifying sperm whales using aerial photographs.

The North Pacific right whale is known for its V-shaped exhale, a generally pitch-black color, no dorsal fin, and distinct ... studying the rare and remote species means that "finding even ...

Whale shark with injury to the dorsal fin, likely to be caused by collision with a vessel. Credit: Gonzalo Araujo ...

Beluga whales are the only whales, other than narwhals, a closely related species, that live exclusively in arctic ... Unlike many other whales, such as orcas and blue whales, belugas have no dorsal ...