"Animal" means every creature, either alive or dead, other than a human being.
"Sexual conduct" means any knowing touching or fondling by a person, either directly or through clothing, of the sex organs or anus of an animal or any transfer or transmission of semen by the person upon any part of the animal, for the purpose of sexual gratification or arousal of the person.
"Sexual contact" means any contact, however slight, between the sex organ or anus of a person and the sex organ, mouth, or anus of an animal, or any intrusion, however slight, of any part of the body of the person into the sex organ or anus of an animal, for the purpose of sexual gratification or arousal of the person. Evidence of emission of semen is not required to prove sexual contact.
720 ILCS 5/12-35