Black and White Pig by the Gate of Petting Zoo

black and white pig pig petting zoo gate straw bedding wornout tire distinctive spots enclosure resting pig wooden gate animal enrichment toy natural behaviors mental stimulation farm setting wooden fences comfort standing pig characteristic marking head rest enrichment object husbandry farm life wooden walls designated area comfortable spots tire enrichment behavior stimulation farm fences wooden resting marking breeds object life walls area playful serenity straw old tire mental natural standing pet