Flukebook
Facebook for whales. Take a picture of a whale’s tail (its fluke) and then upload it to this site to learn more about the whale you have spotted. Contribute sightings and follow individual cetaceans across time. http://www.flukebook.org
A sailor’s guide to whales and dolphins
Useful report by Yachting Monthly with descriptions of species and photos, plus a list of sites where you can record your sightings. A sailor’s guide to whales and dolphins Posted July 2015.