For those of us who just don't get wine-tasting terms like "barnyard," this might clear things up:
A critter label is any label that features an animal, from a hippo to a frog to a penguin. According to ACNielsen, the market-research company, 438 viable table-wine brands have been introduced in the past three years, and 18 percent — nearly one in five — feature an animal on the label. "Combined with existing critter labels," the firm said in a summation of its research on this matter, "sales of critter-branded wine have reached more than $600 million."
That's from a New York Times Magazine story about how wine-makers are using animals to help sell their bottles.
A quick Google turned up these critterific Washington wine labels: