America’s closing megafauna decline was the Bison in just the very last two hundred years. "Polygenic prediction of the phenome, across ancestry, in rising adulthood", Docherty et al 2017 (complement): big reduction of PGS ability in numerous traits, but immediate comparison appears to be to be unavailable for most of the PGSes other than stuff like top? Her breasts are apparent, but not as substantial as some other horse girls'.