A zoo keeper at Indonesia’s Surabaya zoo has been arrested and charged with sexual assault on animals and to extend of even impregnating a female orangutan.

According to the county’s local news agency “the Kalimantan Press” the 38-year-old zoo keeper was filmed in full action by series of hidden cameras put in place by the zoo’s security officials after doubts emerged about the man’s devious actions towards the zoo animals.

A colleague of the zoo keeper explained to the local press that some of the animals normally seemed sexually aroused anytime it is time to feed them.