McDonald was caught at a miniature horse farm in the middle of the night
Ryan McDonald admitted a staggering 27 charges involving videos he shared with other perverts.
The 38-year-old was snared in October 2015 after officers caught him at a miniature horse farm in the middle of the night.
He admitted "fornicating" with a miniature mare and having footage on his phone showing him having sex with animals in Arkansas, USA.
He said in a statement: "I was in my father's van and parked on a side dirt road.
"I proceeded to walk to a field where there were miniature mares.
"Upon finding them, I took it upon myself to fondle and later have sex with the animal.
The 38-year-old admitting fondling and having sex with the horses
"Afterward I proceeded back to the van. I noticed a Miller County vehicle approach and pretended to be asleep."
I took it upon myself to fondle and later have sex with the animal
A sheriff's deputy said he found McDonald hiding on the floor of the van in Genoa.
McDonald added: "The deputy roused me and asked for I.D. and I gave it to him.
Get Quotes on Home Insurance
"He asked why I was there and I lied. After being taken to the victim's house, I told the truth.
Wed, January 18, 2017
Check out our brilliant gallery as we scour the globe for some of the most amazing and cutest animal pictures you will ever see.
1 of 90
Colo, the first gorilla born in captivity, died at the age of 60 at the Columbus Zoo where she was born in December 1956.
"I do have mental and psychological issues for which I am currently seeking help for.
"Progress is slow but I am trying to make progress, but tonight I lapsed. I am earnestly sorry to the victim."
The tapes involving horses were filmed outdoors while those with dogs were shot in a hotel room, the sheriff's office said.
GETTY STOCK IMAGE
McDonald also filmed himself having sex with dogs in a hotel room
Vile McDonald, of Fouke, Arkansas, had been free on bail until April 3 ahead of his sentencing at Miller County Jail on Tuesday.
But prosecutor Connie Mitchell filed a petition to revoke it because his GPS leg monitor showed he repeatedly violated an order to remain on house arrest.
He was banned from going to places where he knew animals were but went to the home of someone keeping dogs.