Artiodactyla (Even-toed Ungulates)

Artiodactyla—the even-toed ungulates—represents a major grouping of hoofed mammals that includes deer, elk, moose, bison, antelope, pigs, and their relatives. These mammals are built around long-legged movement, hoof-supported weight, and feeding strategies based largely on browsing, grazing, or rooting.

Despite variation across families, members of this order are unified by hoofed feet, strong limbs, herbivorous or omnivorous feeding habits, and field behavior shaped by alertness, movement, and habitat use.

In the field, these mammals are often recognized less by taxonomy and more by body shape, posture, gait, feeding behavior, and habitat context.

Orientation

These notes are organized by family, emphasizing comparison, behavior, and field recognition rather than a complete species list.

General Characteristics

Structure: Hoofed mammals with weight carried on two primary toes; body form ranges from slender deer to heavier grazing animals
Locomotion: Walking, trotting, running, or bounding with strong limb-driven movement
Coat: Fur color and texture often vary by season, age, and sex; young may show camouflage patterns such as spots
Behavior: Browsing, grazing, vigilance, social grouping, and rapid flight from disturbance

Members of this order occupy broad habitat categories such as forests, woodland edges, prairie, wetlands, agricultural edges, suburban areas, and open country.

Field Recognition

Mammals in this order are often identified by a combination of:

Movement: Hoofed gait, bounding pattern, trotting, or sudden flight across open ground or through cover
Shape: Long legs, narrow or heavy body, upright posture, and horizontal back line
Head and tail: Long muzzle, large ears, antlers or horns in some species, and visible tail markings
Behavior: Browsing, grazing, alert pauses, social grouping, or use of cover
Habitat context: Woodland edge, meadow, wetland border, agricultural field, prairie, or brushy opening

In many cases, behavior and habitat are as important as visible physical traits. A deer partly hidden in brush may be recognized first by posture, ear shape, and movement rather than by a complete view of the body.

Families

Cervidae

Deer and their relatives; long-legged browsing or grazing mammals with alert posture, large ears, seasonal coat changes, and antlers in males of most species.

Notes

In the current mammal gallery, White-tailed Deer is the documented representative of Artiodactyla.
Hoofed mammals are often first noticed by movement, posture, tracks, or a brief flash of color through vegetation.
Seasonal coat changes can be important in field interpretation, especially spring molt and the shift between reddish summer coats and grayer winter coats.
In Minnesota field photography, woodland edges, brushy wetlands, meadow borders, and agricultural edges are especially productive places to observe deer.
For White-tailed Deer, the raised white underside of the tail is both a field mark and a behavioral signal when the animal bounds away.

References

Minnesota Department of Natural Resources
https://www.dnr.state.mn.us
Animal Diversity Web
https://animaldiversity.org
iNaturalist taxon page
https://www.inaturalist.org