Klass Electronics
BRNKL
Jellywatch
Recording sightings of jellyfish and other marine organisms. Handy app. now available to make it easy to submit sightings http://www.jellywatch.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.