It's a bird! It's a...yep, that's a bird. Or, if you want to be technical about it, the eagles, owls, hawks, and falcons on these four rocks glasses by Kaelin Tillery and Richard Duggan are called raptors . That's because they're some of Mother Nature's fiercest hunters. Some of them are also, as it happens, not doing so hot, population-wise. Raising awareness--it's all the more reason to raise a glass in their honor. Glasses made in the US. Printed in Colorado.