What motivates people to join—and stick with—citizen science projects?

From searching for extraterrestrial life to tracking rainfall, non-experts are increasingly helping to gather information to answer scientific questions. One of the most established hands-on, outdoor citizen science projects is the University of Washington-based Coastal Observation and Seabird Survey Team, COASST, which trains beachgoers along the West Coast, from California to Alaska, to monitor their local beach for dead birds.

source https://www.lifetechnology.com/blogs/life-technology-news-blog/what-motivates-people-to-join-and-stick-with-citizen-science-projects