Hi, We`ve 2 corns, one i`ll call Siddy,cos we thought he was a boy. The other Sharon. Sid ,we had from a baby, now 3 years, 5` 1". "Normal" i think. aquired a friend from a mate,female he said,hence Sharon. Same age,but shorter, 4 foot ..ish. Shaz has got a "lump" above the opening(rear end)...