1) The document describes the classification and habitat of reindeer. It notes that reindeer live in Scandinavia, European and Asian Russia, North America, Greenland, Canada, and Alaska. 2) Reindeer have a diet of grass, plants, and lichens, and are herbivores. Their enemies include wolves, hyenas, humans, and grizzly bears. 3) Special characteristics of reindeer include their horns and ability to live in arctic areas. The document lists Wikipedia, an encyclopedia, and the internet as sources.