Pennsylvania] Is this a garter snake or a ribbon snake? And how can you tell them apart? : r whatsthissnake Pennsylvania State University Smathers & Branson Did you know garter snakes are one of New York's most common snake species? They live in a variety of habitats over an extensive geographic range. They are frequently found in lawns, Penn State Cotton Belt Peter Millar Harpers Eastern Gartersnake PA HERP IDENTIFICATION The Peter Millar Penn State University Belt True Navy 32 (fits 30 inch waist)