The 2 big boys of gathering berries that are easy to tame are Brontosaurus and great value brontosaurus (triceratops),these 2 boys both gather a lot of berries easily within a short amount of time,30 seconds of walking around with bronton gets you about 2000-2500 berries,and triceratops takes 4-5 minutes to get that amount,another advantages of these 2 titans of berries gathering is that 1.they are very easy to find,2. Simple instructions to tame