Term: Guinea pig, Description: domesticated rodent species from South America, Question: Are Guinea Pigs more massive than a Coypu?, Answer:No
Fact1: Guinea pigs grow, on average, to 8 to 12 inches in length. Fact2: Average weight for a Guinea pig is from 1.5 to 2.6 lbs. Fact3: Coypu, on average, are 16 to 24 inches in length. Fact4:  An average Coypu weighs 10 to 15 lbs. Fact5: Are 1 & 2 larger than 3 & 4? 