This wild African cat has adapted to life in a big city surprisingly well

Caracals have learned to avoid people in Cape Town, though the predator faces many threats, such as getting hit by cars.

By Heather Richardson
Published 11 Nov 2021, 14:24 GMT
caracal hermes
Hermes is a well-known male caracal that has become highly habituated to people.
Photograph by Jay Caboz

The caracal sat on the trail ahead of us, appearing calm as it watched our group of three hikers huff up the lower mountain slope on a warm October evening.

Cape Town’s streetlights blinked below, while the sheer rockface of Table Mountain rose on one side. We stood still, expecting the animal to retreat. Instead, he trotted right past us, the pool of light from our lowered headlamps illuminating his burnt-orange coat; round, pale eyes; and distinctive large, pointed ears topped with long black tufts. Pausing for a brief backward glance, the leggy feline vanished into the bushes. (Read: Captivating images show the diversity of India's secretive wild cats.”)

We knew immediately it was Hermes—a caracal habituated to humans that’s often spotted by hikers and trail runners around the 61,776-acre Table Mountain National Park, which is within the city limits of the South African capital. The caracal, believed to be four to five years old, has become something of a poster animal for wildlife conservation in Cape Town, a city on the Cape Peninsula whose population has grown from 1.1 million in 1970 to 4.7 million today. The seaside metropolis, with its mountain in the middle of the city, hosts a plethora of urban wildlife, from baboons to snakes to penguins.

Shy, usually nocturnal cats found in various landscapes across Africa and Asia, caracals are not in danger of extinction. But caracals in Cape Town are notable in another way: They’re the area’s apex predator, since leopards were hunted off the Cape Peninsula in the early 20th century. Native to the peninsula, caracals have only recently been recorded venturing into more urban areas, likely drawn by easy-to-catch prey such as Southern African vlei rats and guinea fowl, says Gabriella Leighton, a researcher at the University of Cape Town who led a recent paper on caracal behaviour. Scientists estimate there are probably around 60 caracals on the Cape Peninsula at any given time.

“They’re opportunistic predators—they’ll just take whatever’s easiest,” says Leighton.

Hermes travels through Table Mountain National Park.
Photograph by Hilton Davies

As the striking, 1.5-foot-tall felines have become accustomed to people, they’ve been spotted throughout the city’s natural areas, from heavily trafficked hiking trails to the Kirstenbosch Botanical Garden to popular Clifton Beach at sunset.

Many of the cats—especially those in the northern, more developed part of Table Mountain (where I encountered Hermes)— prefer to hunt around the urban edge, which includes suburbs, roads, and vineyards. This is risky, however, since such areas pose threats to the animals, particularly getting hit by cars—the leading cause of death for Cape Town caracal. The cats face other pressures, to a lesser extent, from poisons, dog attacks, and snares, says Laurel Serieys, a wildlife biologist at the conservation organisation Panthera, who founded the University of Cape Town’s Urban Caracal Project in 2014. A lack of genetic diversity, due to the urban development hemming the animal in, is also a major threat for the animal’s future in the city, she says.

Even so, caracals “can adapt to human activity in ways that were not expected,” says Serieys, such as adjusting their behaviour to avoid being seen by people in busy areas. “That was a very cool surprise.”

Research also shows that caracals from the less developed southern section of the peninsula tend to avoid urban fringes, showing how their behaviour changes in different environments.

So far, most Capetonians have welcomed caracals, embracing citizen scientist roles by reporting caracal sightings (as well as road-killed animals) to the Urban Caracal Project. Though some caracals have killed pet cats, research shows Cape Town’s caracals predominately hunt wild prey.

 Laying the groundwork

Prior to 2014, no one had studied the peninsula’s caracals, Serieys says, in large part because people doubted they were even there. She had to convince South African National Parks to grant her a permit to study a population they didn’t think existed on Table Mountain.

Since then, Serieys and colleagues have learned more about the urban cats’ movements, diet, genetics, and threats. They’ve fitted 26 caracals with GPS collars, conducted necropsies, set up camera traps around the city, and collected photos and videos of caracal sightings from the public. (Related: domestic cats kill billions of wild animals a year.)

“Just getting on the ground and learning what’s there, and what threats exist to those animals is important,” Serieys says.

So far, their results show that vehicle collisions accounted for more than 70 percent of recorded caracal deaths in Cape Town between 2015 and 2020. Poison is another hazard: Ninety-two percent of dead caracals that Serieys tested had consumed anticoagulant rodenticides, an often fatal exposure.

Caracals get caught in snares set to catch smaller prey items, or fall victim to dogs, which can also pass on diseases such as canine parvovirus, according to Serieys.

To reduce vehicle strikes of caracals, in January, the project team installed reflective caracal signs along seven common roadkill sites in Cape Town, though they’ve yet to collect data to show if it’s working to reduce deaths. The team has also suggested that the city put in speed bumps at frequent caracal-crossing locations.

Protecting endangered penguins

Though domestic animals make up less than four percent of the caracal diet, according to one study, some Cape Town residents are not in favour of the wild cats in their midst. 

Many Capetonians have adapted to life with caracals by keeping their pets indoors at night or erecting “catios,” enclosed spaces where cats can safely enjoy the outdoors. Both measures are recommended by the Urban Caracal Project.

Caracals have learned how to live hidden in plain sight along the urban edge, which includes suburbs, vineyards, and roads.
Photograph by Luke Nelson

In some Cape Town eco-estates—suburban residential developments that market themselves as environmentally friendly—a few residents have demanded the removal of caracals from the area, both at neighbourhood meetings and on social media.

Catching a caracal and releasing it into a new location rarely works, according to Urban Caracal Project biologists, partly because another caracal will most likely replace it.

That’s exactly what happened in 2016 at Boulders Beach, a pocket of Table Mountain National Park in a southern Cape Town suburb, which is home to a colony of 2,000 to 3,000 endangered African penguins. (The startling impact of coronavirus on rhino conservation across Africa.)

A female caracal that had found the penguin colony was caught and translocated, and she settled in an area close to the release site. However, her male offspring then replaced her in the colony and evaded capture for nearly a year, killing an estimated 260 penguins. He was eventually translocated to a nearby open nature reserve on the bay, but within a few days he left the protected area and was hit by a car.

Fortunately, there’s no evidence caracals actively seek out penguins, but when they do happen across a colony, “it’s like a kid finding a [candy] shop,” says Gregg Oelofse, Cape Town’s head of coastal environmental management. The city works with South African National Parks on issues such as caracal predation at Boulders, since it involves both city and park land.

While waiting for Oelofse in the Boulders parking lot, I watched the penguins pottering around vehicles, seemingly unconcerned about traffic or humans. Their lack of instinct for terrestrial danger—African penguins mostly live on islands—is one reason the Boulders colony needs so much protection.

Nowadays, if a caracal breaks into the penguin colony, the protocol is to catch and euthanise it, since penguins are the conservation priority. However, that’s a worst-case scenario, Oelofse tells me, and prevention is the focus.

To that end, the city has installed a predator-proof fence, topped with rolling cylinders to make it difficult for caracals to breach it. So far, it’s proven successful in deterring the skilled jumpers, he says.

Using his phone, Oelofse showed me camera-trap photos taken along the fence: In one, a caracal trots along the fence away from the coastline, as intended. In another, I couldn’t see even see the well-camouflaged cat until Oelofse pointed out a pair of pointy black-tufted ears poking into the frame.

No room to roam

As an isolated population, caracals are also threatened by their restricted gene pool. Serieys has unpublished data showing that the peninsula’s 60-some caracals are inbreeding—something that reduces the local population’s health, eventually driving it to extinction.

This is because the land around Table Mountain has been developed to a point that most wildlife is now restricted, no longer able to disperse onto or off the mountain to widen their gene pools.

The last viable corridor from Table Mountain is a narrow strip around False Bay, but it’s also a potential site for residential development.

“We want to keep those corridors and those greenbelts, but we have to also make concessions to allow communities [to develop],” Oelofse says. It’s part of the constant struggle of “trying to find a good balance” between people and wildlife.

For the rare caracal that does make it onto the peninsula from outside the city, claiming a home range and then breeding will be “super difficult” among the already established individuals, Serieys says.

Cape Town caracals, she says, “still have a lot of challenges ahead of them.”


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