There are some female farm animals that can legit deadlift 300+.  There are scrawny high school girls who can legit deadlift 300+. Random example after ~15 seconds of googling for HS Girls' Powerlifting Meet results: http://www.thswpa.com/meetdetail.aspx?&passedDivisionID=3530 Most notable in this particular example are a 300 lb DL @ 111.8 lb bodyweight, and a 310 lb DL @ 120.3 lb bodyweight. You don't have to be big to put up impressive numbers. That's a common misconception.