Book 38, Number 4449
Narrated Abdullah ibn Abbas

The Prophet (peace_be_upon_him) said If anyone has sexual intercourse with an animal, kill him and kill it along with him. I (Ikrimah) said I asked him (Ibn Abbas) What offence can be attributed to the animal/ He replied I think he (the Prophet) disapproved of its flesh being eaten when such a thing had been done to it.

Book 38, Number 4450
Narrated Abdullah ibn Abbas

There is no prescribed punishment for one who has sexual intercourse with an animal.

Is there or is there not a punishment for having sex with an animal ? ???