Types of Mountain Lion in Maryland

Mountain lions were hunted to extinction in the eastern United States during the 1800s as European settlement expanded and frontier hunters eliminated large predators across the region. Eastern forests were systematically cleared for agriculture, and the deer and other prey populations that might support mountain lions were also heavily harvested. By 1900, mountain lions had disappeared from all states east of the Mississippi River. Unlike wolves, which have recently begun to recolonize parts of the Northeast, mountain lions require vast territories and have never naturally reestablished populations in the East, even as forests have regrown over the past century.

The modern range of mountain lions is almost entirely western. The largest populations live in the Rocky Mountains, the Sierra Nevada, and the desert regions of the Southwest, including parts of Montana, Wyoming, Colorado, Utah, Arizona, New Mexico, and California. Smaller populations exist in the Black Hills of South Dakota and Nebraska, and a critically endangered subspecies called the Florida panther survives in small numbers in the Everglades. Mountain lions are completely absent from the eastern United States, the Great Lakes region, and the entire Atlantic seaboard.

Maryland's largest wild carnivores are black bears, which are present but rare and mainly found in the western mountainous regions of the state. Bobcats are widespread but nocturnal and rarely seen. Coyotes are common throughout Maryland and frequently mistaken for mountain lions or large dogs. Foxes, raccoons, and opossums are abundant. None of these are mountain lions, but misidentifications frequently occur when people see a large unfamiliar animal at dusk or catch only a partial view.

Most reports of mountain lions in Maryland are actually coyotes, especially large males, which can weigh 40 to 50 pounds. Bobcats, which are considerably smaller but still impressive predators, are sometimes mistaken for mountain lions by people unfamiliar with wildlife. Feral or escaped house cats seen from a distance, large dogs, and even deer observed under poor lighting conditions have been reported as mountain lion sightings. The human brain tends to perceive threat in ambiguous situations, and a tawny-colored animal glimpsed briefly becomes a 'big cat' in memory even if it was actually a coyote or large dog.

Natural recolonization is extremely unlikely. Mountain lions require enormous home ranges, sometimes exceeding 100 square miles, and they are solitary, territorial animals that do not establish breeding populations by chance individuals wandering into new territory. A single vagrant mountain lion passing through Maryland or an escape from captivity would not create a self-sustaining population. The western mountain lion populations remain separated from the East by vast distances and human-dominated landscapes that mountain lions avoid. There is no ecological pathway or biological mechanism that would bring mountain lions back to eastern forests.

Contact the Maryland Department of Natural Resources or local wildlife authorities with a detailed description, location, date, and time of the sighting. Include any photos or video if you have them. Wildlife officials use these reports to track potential vagrant animals, though confirmed mountain lion sightings east of the Mississippi remain extraordinarily rare. Never approach an unfamiliar large animal. If you feel threatened, leave the area immediately and call local law enforcement or animal control.

If you saw a large cat-like predator in Maryland, note its size, color, tail characteristics, and behavior. Coyotes stand 23 to 26 inches at the shoulder and have tall, pointed ears, a narrow chest, and a downward-pointing bushy tail. Bobcats are 18 to 24 inches tall with tufted ears, a stubby tail, and spotted or striped fur. Mountain lions are over 3 feet tall at the shoulder, have small rounded ears, a long thin tail that may be as long as their body, and tan or tawny fur without spots in adults. If you saw something that matched mountain lion proportions in Maryland, it is far more likely to be a misidentified coyote or a large dog than an actual mountain lion.

Yes, mountain lions lived throughout the eastern United States, including Maryland, before European settlement. Archaeological evidence and historical records confirm that mountain lions, called panthers, painters, or panthers by early colonists, ranged across the forests of colonial Maryland and Virginia. However, these populations were eradicated completely by the mid-1800s, and there have been no wild breeding mountain lions in Maryland for over 150 years. The species is essentially a ghost in eastern forests, present only in historical records and occasional vagrant sightings.