Pennsylvania Elk Herd - Detailed information about elk in Pennsylvania and other populations of Cervus elaphus in North America. Sika Deer: Cervus nippon - Information from ARKive including images and videos. Axis Deer (Cervus axis) - Photograph, description, distribution in Texas and habits. Fallow Deer (Cervus dama) - Description, photograph, distribution and habits, from the Mammals of Texas. Wapiti or Elk (Cervus elaphus) - Description, photograph, distribution and habits, from the Mammals of Texas. Sika Deer (Cervus nippon) - Photograph, description, distribution in Texas and habits. Living with Wildlife: Elk - The Washington Department of Fish and Wildlife provides information on the elk and its interactions with humans. Sika Deer: Cervus nippon - Factsheet on this deer, its description, distribution and biology, with several photographs. Red Deer (Cervas elaphus) - Photographs and movies and a description of this species and information on its range and biology.