Key visual characteristics used to identifyage classes of feer are highlighted w/photographsand accompanying bullet points.Deer age classes are: young (1.5-2.5 yrs).Middle age (3.5-4.5 yrs). Mature (5.5-6.5yrs). & Old (7.5 + yrs). Additional informationprovides criteria for field calculating abuck's Boone & Crockett (B & C) Score.Also included at the end of the guide arecriteria for calculating a harvested buck'sB&C or Pope & Young (Archery) score.