Types of Mountain Lion in Maine

Yes, these are three common names for the same species, Puma concolor. Mountain lion, cougar, puma, painter, panther, and catamount are all used interchangeably depending on region. In the western United States where this species still lives, the names mountain lion and cougar are most common. In Florida, where a small remnant population survives in the Everglades, they are called Florida panthers. In all cases, there is only one wild species of large American wild cat.

Only one species, Puma concolor, ever lived in Maine and the wider Northeast. These were not a separate subspecies but the same mountain lion that inhabited the full range from coast to coast. As forests were cleared and prey animals vanished, hunting pressure eliminated the Maine population by the mid-1800s. Archaeological evidence and early naturalist records confirm their presence, but they have been absent for nearly 200 years.

Today, mountain lions are found primarily in the western United States, centered in the Rocky Mountains and extending into the Southwest, California, and parts of the Pacific Northwest. Small populations also inhabit parts of British Columbia and Mexico. Florida harbors the last remaining eastern population, a small group in the Everglades and Big Cypress Swamp that numbers fewer than 200 individuals. These Florida panthers are genetically distinct from western mountain lions and are the focus of intensive conservation efforts.

This is unlikely. Mountain lions require large territories, often 25 to 100 square miles per individual. Breeding populations cannot hide. While a single young male might occasionally disperse eastward from the Midwest, establishing a breeding population in Maine would require multiple animals, sustained reproduction, and prey density sufficient to support them. No sighting evidence, no road kills, no trail camera footage, and no DNA from predation sites have ever confirmed a wild Maine mountain lion. Intensive wildlife monitoring across the state has found no credible evidence.

Misidentification is the primary reason. Large house cats and outdoor cats can appear unexpectedly large in low light or at distance, and fear heightens the perception of size. Bobcats are frequently mistaken for mountain lions, especially when seen running or at twilight. Coyotes, which have expanded their range across the Northeast in recent decades, can also be misidentified as mountain lions, particularly if seen in snow or mixed lighting. Online photos and videos that claim to show mountain lions in the Northeast have often turned out to be western footage or photos of captive animals.

Bobcats are much smaller, typically weighing 15 to 35 pounds compared to a mountain lion's 100 to 250 pounds. Bobcats have short, black-tipped tails, tufted ears, and spotted or blotched coats. Mountain lions have long, thin tails that are often darker at the tip and uniform tan or light-brown coloring with no spots or markings. Bobcats are common throughout Maine and are genuinely wild. If you see a large tawny cat with a long tail in Maine, it is almost certainly a domestic or feral house cat, not a mountain lion.

Contact the Maine Department of Inland Fisheries and Wildlife with specific details, including location, time, date, what you saw (size, color, behavior), and any photos or videos. Be as precise as possible. The department takes all reports seriously and investigates credible sightings. They can often identify the animal based on your description and may be able to assess whether it was a bobcat, coyote, large cat, or other wildlife. Reporting ensures that if unusual wildlife is present, state biologists can investigate and manage it appropriately.

Maine's largest wild predators are black bears and bobcats. Black bears can reach 300 to 400 pounds and are found throughout the state, though they are generally shy of humans. Bobcats are smaller, weighing 15 to 35 pounds, and are also widespread but nocturnal and rarely seen. Coyotes, which weigh 30 to 50 pounds, are now common across Maine and are sometimes mistaken for large cats or small wolves. All three species are genuinely wild and do not require protection from mountain lions. Mountain lions have not been part of Maine's ecosystem for nearly two centuries.

In the 1700s and 1800s, European settlers and their descendants systematically hunted predators to protect livestock and clear land for agriculture. Mountain lions were seen as a threat to cattle, sheep, and pigs, and bounties were placed on them. The expansion of settlements and hunting technology made their survival impossible. As the Northeast shifted from frontier to farmland and then suburban, forests regrew but mountain lions never returned naturally. The species was simply too depleted, and the remaining western population became isolated by distance and human infrastructure.

Recolonization from western populations is extremely unlikely. The gap between Maine and the nearest wild mountain lion population in the Great Plains and Rocky Mountains is more than 1,000 miles, traversing a landscape dominated by human settlements, roads, and fragmented habitat. Young males occasionally disperse eastward from the Midwest, but they rarely survive the journey or establish populations. Returning mountain lions to Maine would require deliberate reintroduction by wildlife managers, a controversial and complex undertaking that would require substantial funding, long-term prey management, and public acceptance.