I thought "How cute, Cowture!"
followed by "Cows. I have cows! Where are my cows?!?"
So here they are. Polka Dot Cow Right, Pot Bellied Cow Left, and Frontal Cow from Odd Bird planet. The Barn Stall, Floppy Hat, Polka Dot Hat and Snap Purse are also from Odd Bird.