1. No, this is not Photoshopped.
2. Yes, they are goats, not sheep
3. They aren’t heterozygoats at a “color” locus (though they’re undoubtedly heterozygoats at many DNA positions in their genomes).
As alert reader Linda Grilli informs me (she raises and breeds goats, and also has four black cats and another named Clawed Monet), these are Cou Noir French Alpine dairy goats, which sometimes have this striking pattern (“cou noir” means “black neck”). Here’s another specimen from The Young Dairy Farmer’s Wife site, shorn for show: