Short Film: Chasing the snot of the whales of Samana (2019) 

SnotBot - a project of Ocean Alliance, a nonprofit that protects whales and their ocean environment - uses drones to capture the blow expelled from whales' lungs and then to study all the biological matter it contains. Filmed in the first expedition of SnotBot to Samana, Dominican Republic, on March 2019.
Directed and produced by Marvin del Cid.