Quick hunting cheat sheet i made for myself. There are more ways to get perfect pelts than just the ones listed, and i didn't include any of the other ammo types but
HOW TO GET A PERFECT BEAVER PELT - RED DEAD REDEMPTION 2 PRISTINE BEAVER HUNT - YouTube
RDR2 Perfect Pelts guide - Polygon
Red Dead Redemption 2: Cougar Locations and Perfect Pelt Hunting Guide
Elk Location and Perfect Pelt Hunting Guide - Red Dead Redemption 2 Wiki Guide - IGN