DNA Examination Validates That 19th Century Lions Were Human Predators

DNA Examination Validates That 19th Century Lions Were Human Predators

DNA Examination Validates That 19th Century Lions Were Human Predators


# The Tsavo Man-Eaters: A Narrative of Horror and Scientific Revelation

In the late 1800s, a duo of lions wreaked havoc in the Tsavo area of Kenya, claiming the lives of numerous individuals, including laborers constructing the Kenya-Uganda Railway. These felines, referred to as the “Tsavo Man-Eaters,” have since gained notoriety for their peculiar conduct and the enigma surrounding their assaults. More than a hundred years later, contemporary science continues to unveil fresh information about these creatures, illuminating their diet and the potential factors leading to their lethal rampage.

## The Tsavo Man-Eaters’ Era of Fear

In March 1898, British engineers initiated the building of a railway bridge over the Tsavo River as part of the Kenya-Uganda Railway endeavor. Lieutenant-Colonel John Henry Patterson was designated to oversee the project. However, shortly after his arrival, workers began to vanish under enigmatic circumstances. It soon became evident that two male lions, notably maneless, were accountable for the fatalities. These lions would audaciously invade the workers’ camps at night, seizing men from their tents and consuming them.

The assaults were unrelenting, with the lions slaying workers nearly every day at the peak of their terror. One particularly chilling episode involved the district officer, who narrowly avoided death with claw scars on his back, although his assistant wasn’t so lucky and met his end. The terror and dread among the workers escalated to such an extent that many abandoned the site, halting construction entirely.

Patterson, resolute in his pursuit to end the lions’ reign of terror, tracked them down. On December 9, 1898, he successfully shot the first lion. The second lion was killed 20 days later. Patterson preserved the lions’ pelts as trophies, using them as rugs in his residence for 25 years before finally selling them to the Field Museum of Natural History in Chicago in 1924. Currently, the reconstructed lions, along with their skulls, are permanently displayed at the museum.

## How Many Lives Were Taken?

The precise count of individuals claimed by the Tsavo Man-Eaters remains a topic of contention. Patterson himself asserted that the lions took 135 lives, but modern estimates are considerably lower. A 2009 analysis that examined isotopic signatures from the lions’ bone collagen and hair keratin indicated a more modest tally ranging from 28 to 31 human victims. However, some projections still position the death toll at over 100, encompassing both laborers and local inhabitants.

## Fresh Perspectives from DNA Examination

The Tsavo Man-Eaters have intrigued scientists for many years, and recent breakthroughs in DNA examination have offered new perspectives on their diet. A team of researchers recently published findings in *Current Biology* that utilized DNA extracted from hairs lodged in the lions’ teeth to determine the species they had consumed. The research uncovered evidence of six species: humans, giraffes, oryx, waterbuck, zebras, and wildebeest.

The presence of human DNA confirmed that the lions had indeed targeted people, but the detection of wildebeest DNA was especially unexpected. Wildebeest were not known to inhabit the Tsavo area at the time, and the closest grazing territory for wildebeest was more than 50 miles away. This discovery implies that the lions might have traversed greater distances than earlier believed or that wildebeest were present in the region during that timeframe.

## Why Did the Lions Prey on Humans?

The inquiry into why the Tsavo lions turned to hunting humans has occupied researchers for years. Numerous hypotheses have been suggested, with one of the most notable being that an outbreak of cattle plague in 1898 significantly diminished the lions’ typical prey, compelling them to seek other food options. The lions may have initially scavenged human remains at a river crossing before developing a preference for live humans.

Another theory centers on the dental health of the lions. A 2017 investigation revealed that one of the lions suffered from a serious infection in the root of a canine tooth, which would have hindered its ability to kill its usual prey. Lions typically depend on their powerful jaws to suffocate their prey, and a compromised tooth would have rendered this method uncomfortable and ineffective. This might have led the lions to focus on humans, who are simpler to capture and kill than large herbivores like zebras or buffalo.

The recent DNA analysis demonstrated that both lions exhibited dental injuries, including fractured canine teeth. Over time, hair from their prey had built up in the exposed cavities of their teeth, allowing scientists to extract DNA samples. The revelation of these injuries supports the notion that dental issues may have played a role in the lions’ atypical behavior.

## The Legacy of the Tsavo Man-Eaters

The saga of the Tsavo Man-Eaters has fascinated the public for more than a century, inspiring literature, documentaries, and even films like *The Ghost and the Darkness* (1996). However, beyond the sensational narratives, the tale of the lions provides valuable insights into predator behavior and the intricate interactions between humans and