Mammals include foxes, wild cats, hares, hedgehogs, weasels, martens and wild boar. Smaller mammals include groundhogs, red squirrels, eastern chipmunks, martens, and snowshoe hares. Their primary predators include owls, foxes, pine martens, and wildcats. The martens, fisher and tayra are partially arboreal, while badgers are fossorial. Martens and otters are Class II protected species. Boots are also somewhat common, especially Dr. Martens. As with minks and martens, sables were commonly caught in steel traps. They are also a major food source for predators like martens, weasels, and hawks. In 2018 ten million pairs of Dr. Martens shoes were produced. Predators of its eggs include owls, martens, and sometimes eagles. There are hedgehogs, martens, and snakes such as vipers and grass snakes. Tayras are long, slender animals with an appearance similar to that of weasels and martens. In addition to Dr. Martens, they are also commonly known as Doc Martens or Docs. Miacoids were mostly small carnivores superficially reminiscent of martens or civets. Townshend had taken to wearing a boiler suit and Doctor Martens shoes.