HappyWhale
US based. co-funders: Ken Southerland and Ted Cheeseman. Goal: engages citizen scientists to identify individual marine mammals, for fun and for science. You submit photos of your marine mammal encounters, Happywhale identifies and track your whales around the globe. A tutorial on how to take good pictures for identification is provided by Happywhale: https://happywhale.com/instructions
Task
Take a picture and submit it to Happywhale's website