Two humpback whale flukes show the wide variation in markings 
The dorsal fin and pigmentation pattern on the side of blue whales provide a fingerprint for identification. 

Cascadia Research conducts long-term research on humpback and blue whales both along the West Coast of the United States as well as off Central America. Cascadia is also a principal organization conducting and coordinating the SPLASH humpback whale research effort in the entire North Pacific. 


The objectives of our research include:

See additional information in these reports and publications by topic:

Humpback whales in the North Pacific including SPLASH

Blue whale ship-strike related research and Behavioral Response Study

Humpback and blue whales off California, Oregon, and Washington

Underwater behavior of blue, fin, and humpback whales whales using suction-cup tags , fin, and humpback whales whales using suction-cup tags 

Humpback whale research in Central America

To learn more about these research efforts please see the following:

SPLASH research project

Humpback and blue whale research off California, Oregon, and Washington

Central American expedition to study blue and humpback whales (from 1999)

Information on publications and reports from this research can also be found on 

1) Cascadia's Online Reports and Publications
2) Cascadia's Bibliography
3) Executive Summaries of CRC's Reports and Publications
4) Books and Reports Available by Mail