What is the Difference Between Pronghorn and Deer?

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Pronghorn and deer are both ungulates, but they belong to different taxonomic families and have several distinct differences. Some of the key differences between pronghorn and deer include:

  1. Family: Pronghorn are the only living member of the family Antilocapridae, while deer belong to the family Cervidae.
  2. Horns vs. Antlers: Male pronghorn have permanent horns that grow around a bony, skin-covered core, while deer have antlers that they shed and grow every year.
  3. Size: Pronghorn are generally smaller than deer, standing roughly three feet high at the shoulder.
  4. Range: Pronghorn are native to the open prairies of western North America, including Canada and Mexico, while deer have a larger range, inhabiting various habitats throughout the world, except for Antarctica.
  5. Speed: Pronghorn are known for their exceptional speed, capable of sustaining speeds of 55 mph for half a mile and speeds approaching 45 mph for much longer distances.
  6. Habitat: Deer can be found in a variety of habitats, ranging from tundra to tropical rainforests, while pronghorn primarily live in grasslands.
  7. Facial Glands and Scent Glands: Deer have facial glands to produce pheromones, while pronghorn have scent glands on their head.

Comparative Table: Pronghorn vs Deer

Here is a table comparing the differences between pronghorn and deer:

Feature Pronghorn Deer
Weight 75-85 pounds for does, 120-140 pounds for bucks Varies depending on species and age
Trachea Size Larger, about the size found in an elk weighing 750-800 pounds Smaller
Trachea Filter Present, prevents foreign-body pneumonia Not present
Diet Forbes, shrubs, grasses, and cacti, including many toxic to livestock Varies depending on species and habitat
Predators Bobcats, mountain lions, coyotes, and golden eagles Varies depending on species and location
Lifespan Commonly reach 10 years, can live up to 15 years Varies depending on species and environment
Breeding Season Mid-September Varies depending on species
Migration Longest migration of any land mammal in the lower 48 Varies depending on species and habitat
Top Speed Capable of reaching speeds in excess of 55 mph Varies depending on species
Day or Night Activity Diurnal, active only during daylight hours Varies depending on species and environment
Tracks No dewclaw, distinguishing their tracks from deer Dewclaw present
Water Requirements Need to drink at least once, if not twice a day Varies depending on species and habitat
Habitat Great Plains, wide-open spaces Varies depending on species and location

Pronghorn and deer have several differences in their physical features, behavior, and habitat preferences. Some key distinctions include their weight, trachea size and filter, diet, and migration patterns.