CREATE TABLE table_7024 ("Name" CLOB, "Status" CLOB, "Authors" CLOB, "Unit" CLOB, "Location" CLOB)

What is the unit of the non-mammal from greenland?
SELECT "Unit" FROM table_7024 WHERE "Location" = 'greenland'
SELECT "Unit" FROM "table_7024" WHERE "Location" = 'greenland'