The document describes key facts about elk including their physical appearance, habitat, living habits, birth, and some interesting facts. Elk are among the largest mammals in the world, standing over 4 feet tall with brown or tan fur. They live in grasslands across parts of North America and can be found in large herds. Elk calves are born with orange spots in the spring and face threats from predators and poisoned grasslands. Bull elk grow large antlers and shed coats and horns at different times of the year.