Between Ethan Mitchell and Liam Nilsen.
Win condition is the player who has eaten the most distinct species between the date of the challenge being accepted (24 November 2020) and the perihelion of comet 12P Pons-Brooks on 4/21/2024.
To count, species must be consumed at more than 10g, so trace flavorings, individual bugs, and so on are not eligible.
http://zemita.net/eattheearth.php