Facts and status, description, range and habitat, biology, threats and conservation, and related species from ARKive.org Threatened Species page.

Features pictures, classification, geographic range, habitat, physical description, reproduction, longevity, behavior, food habits, and status. From University of Michigan ADW.

Threatened Species article from ARKive.org gives facts and status, description, range and habitat, biology, threats and conservation, and related species.

Animal Diversity contains pictures, classification, geographic range, habitat, physical description, reproduction, longevity, behavior, food habits, and status.

Ultimate Ungulate describes taxonomy, characteristics, reproduction, ecology, behavior, distribution, and status.