Tsavo Man-Eaters

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The Tsavo Man-Eaters on display in the Field Museum of Natural History in Chicago, Illinois Lionsoftsavo2008.jpg
The Tsavo Man-Eaters on display in the Field Museum of Natural History in Chicago, Illinois

The Tsavo Man-Eaters were a pair of large man-eating male lions in the Tsavo region of Kenya, which were responsible for the deaths of many construction workers on the Kenya-Uganda Railway between March and December 1898. The lion pair was said to have killed dozens of people, with some early estimates reaching over a hundred deaths. While the terrors of man-eating lions were not new in the British public perception, the Tsavo Man-Eaters became one of the most notorious instances of dangers posed to Indian and native African workers of the Uganda Railway. They were eventually killed by Lieutenant-Colonel John Henry Patterson, who wrote his account of his hunting experience in a semi-biography The Man-eaters of Tsavo .

Contents

Today, the Tsavo Man-Eaters are the most widely studied man-eating pantherine cats given their behavior of hunting humans as a pair and dental injuries reported in one of the lions, a cause commonly attributed to big cats turning to humans as prey.

Historical information

The killings start

Colonel Patterson with Tsavo-Lion.jpg
The first lion killed by Patterson, now known as FMNH 23970
Second Tsavo lion.png
The second lion, FMNH 23969

As part of the construction of a railway linking Uganda with the Indian Ocean at Kilindini Harbour, in March 1898, the British started building a railway bridge over the Tsavo River in Kenya. The building site consisted of several camps spread over an area of 8 miles (13 km), accommodating the several thousand mostly Indian workers. [1] : 18, 26  The project was led by Lieutenant-Colonel John Henry Patterson, who arrived just days before the disappearances and killings began. During the next nine months of construction, two maneless male Tsavo lions stalked the campsite, dragging workers from their tents at night, devouring them. There was an interval of several months when the attacks ceased, but word trickled in from other nearby settlements of similar lion attacks. [1] : 65  When the lions returned, the attacks intensified, with almost daily killings. Crews tried to scare off the lions and built campfires and bomas , or thorn fences made of whistling thorn trees around their camp for protection to keep the man-eaters out, all to no avail; the lions leaped over or crawled through the thorn fences to get into the camps. Patterson noted that early in their killing spree, only one lion at a time would enter the inhabited areas and seize victims, but later, they became more brazen, entering together and each seizing a victim. [1] : 30–34 

As the attacks mounted, hundreds of workers fled from Tsavo, halting construction on the bridge. At this point, colonial officials began to intervene. According to Patterson, even the District Officer, Mr. Whitehead, narrowly escaped being killed by one of the lions after arriving at the Tsavo train depot in the evening. However, his assistant, Abdullah, was killed, while Whitehead escaped with four claw lacerations running down his back. [1] : 75–83 

Hunting the lions

Eventually, other officials arrived, with a reinforcement of around twenty armed Sepoys to assist in the hunt. [1] : 80–81  Patterson set traps and tried several times to ambush the lions at night from a tree. After repeated unsuccessful attempts, he shot the first lion on 9 December 1898. Twenty days later, the second lion was found and killed. The first lion killed measured 9 ft 8 in (2.95 m) from nose to tip of the tail. It took eight men to carry the carcass back to camp. [1] : 83–93 

Patterson wrote in his account that he wounded the first lion with one bullet from a high-caliber rifle. This shot struck the lion in its hind leg, but it escaped. Later, it returned at night and began stalking Patterson as he tried to hunt it. He shot it through the shoulder, penetrating its heart with a more powerful rifle, and found it lying dead the next morning not far from his platform. [1] : 91–93 

The second lion was shot nine times, five with the same rifle, three with a second, and once with a third rifle – six finding their mark. The first shot was fired from atop a scaffolding that Patterson had built near a goat killed by the lion. Two shots from a second rifle hit the lion eleven days later as it was stalking Patterson and trying to flee. When they found the lion the next day, Patterson shot it three more times with the same rifle, severely crippling it, and shot it three times with a third rifle, twice in the chest and once in the head, which killed it. He claimed it died gnawing on a fallen tree branch, still trying to reach him. [1] : 93–103 

Works resume

The construction crew returned and finished the bridge in February 1899. The exact number of people killed by the lions is unclear. Patterson gave several figures, overall claiming that there were 135 victims. [2] [3] At the end of the crisis, the Prime Minister of the United Kingdom, Lord Salisbury, addressed the House of Lords on the subject of the Tsavo man-eaters:

"The whole of the works were put to a stop because a pair of man-eating lions appeared in the locality and conceived a most unfortunate taste for our workmen. At last the labourers entirely declined to carry on unless they were guarded by iron entrenchments. Of course it is difficult to work a railway under these conditions and until we found an enthusiastic sportsman to get rid of these lions our enterprise was seriously hindered." [1] : 104 

Museum display

After 25 years as Patterson's floor rugs, the lions' skins were sold to the Field Museum of Natural History in 1924 for $5,000. The skins arrived at the museum in very poor condition. The lions were reconstructed and are now on permanent display, along with their skulls. [4] [5]

Modern research

Tsavo Lion skulls on display at the Field Museum in Chicago Tsavo lion skulls.jpg
Tsavo Lion skulls on display at the Field Museum in Chicago

In 2001, a review of causes for man-eating behaviour among lions revealed that the proposed human toll of 100 or more was most likely an exaggeration and that the more likely death toll was 28–31 victims. This reduced total was based on their review of Colonel Patterson's original journal, courtesy of Alan Patterson. However, the same study also noted that the journal refers only to Indian workers and that Patterson stated that the casualties were much higher in the African worker population but that those numbers were not documented. [6] [7]

The two lion specimens in Chicago's Field Museum are known as FMNH 23970, the 'standing' mount, killed on 9 December 1898, and FMNH 23969, the 'crouching' mount, killed on 29 December 1898. Recent studies on the isotopic signature analysis of Δ13C and Nitrogen-15 in their bone collagen and hair keratin were published in 2009. Using realistic assumptions on the consumable tissue per victim, lion energetic needs, and their assimilation efficiencies, researchers compared the man-eaters' Δ13C signatures to various reference standards: Tsavo lions with normal (wildlife) diets, grazers, and browsers from Tsavo East and Tsavo West, and the skeletal remains of Taita people from the early 20th century. Interpolation of their estimates across the nine months of recorded man-eating behavior suggested that FMNH 23969 most likely ate the equivalent of 10.5 humans and that FMNH 23970 most likely ate 24.2 humans. [8] However, the researchers noted that, according to their estimates, a combined death toll as high as 72 was still possible. [9]

DNA from compacted hair found in the tooth cavities of the Tsavo man-eaters in 2024 reveals that in addition to humans, the lions fed on zebras, oryx, waterbuck, wildebeest, and at least two individuals of Masai giraffe. This suggests the lions would switch between hunting their natural prey and humans, though it remains unclear as to whether the lions began hunting humans as a result of the injuries sustained to the male with the damaged tooth. [10]

The scientific analysis does not differentiate between the entire human corpses consumed and the parts of individual prey since the attacks often raise alarms, forcing the lions to slink back into the surrounding area. Many workers over the long construction period went missing, died in accidents, or fled out of fear, so it is likely almost all of the builders who stayed on knew someone missing or supposedly eaten. It appears that Colonel Patterson may have exaggerated his claims, as have subsequent investigators (e.g., "135 armed men", Neiburger and Patterson, 2000), though none of these modern studies have taken into account the people who were killed but not eaten by the animals. [11] Other researchers have also shown that estimates of animal diets derived from isotopic models often deviate considerably from the correct values. [12]

Possible causes of "man-eating" behavior

Theories for the man-eating behaviour of lions have been reviewed by Peterhans and Gnoske, as well as Bruce D. Patterson (2004). Their discussions include the following:

An alternative argument indicates that the first lion had a severely damaged tooth that would have compromised its ability to kill natural prey. [13] However, the general public has generally disregarded this theory. Colonel Patterson, who killed the lions, disclaimed it, saying that he damaged that tooth with his rifle while the lion charged him one night, prompting it to flee. [14]

Studies indicate that the lions ate humans as a supplement to other food, as a last resort. Eating humans was probably an alternative to hunting or scavenging due to dental disease and/or a limited number of prey. [15] [16]

A 2017 study by Bruce Patterson found that one of the lions had an infection at the root of his canine tooth, making it hard for that particular lion to hunt. Lions typically use their jaws to grab prey like zebras and wildebeests and suffocate them. [16] [17]

In film

Patterson's book was the basis for several films:

See also

Related Research Articles

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<i>The Man-eaters of Tsavo</i> Book by John Henry Patterson

The Man-eaters of Tsavo is a semi-autobiographical book written by Anglo-Irish military officer and hunter John Henry Patterson. Published in 1907, it recounts his experiences in East Africa while supervising the construction of a railroad bridge over the Tsavo river in Kenya, in 1898. It is titled after a pair of man-eating lions that terrorized the undertaking for nine months until they were shot by Patterson. His recounting of this incident projected him to fame, and it remains the subject of debate to this day. It has also been the basis of numerous films, the best known being The Ghost and the Darkness (1996), starring Val Kilmer and Michael Douglas.

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Tsavo is a region of Kenya located at the crossing of the Uganda Railway over the Tsavo River, close to where it meets the Athi-Galana-Sabaki River. Two national parks, Tsavo East and Tsavo West are located in the area.

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References

  1. 1 2 3 4 5 6 7 8 9 Patterson, J. H. (1908). The Man-eaters of Tsavo and Other East African Adventures. MacMillan and Co).
  2. ↑ Patterson, B. D. (2004). The Lions of Tsavo: Exploring the Legacy of Africa's Notorious Man-Eaters. McGraw-Hill. p. 6. ISBN   978-0-07-136333-4.
  3. ↑ "Field Museum uncovers evidence behind man-eating; revises legend of its infamous man-eating lions" (Press release). The Field Museum. 2003. Archived from the original on 7 June 2011. Retrieved 25 October 2007.
  4. ↑ "Field Museum of Natural History: Annual Report of the Director to the Board of Trustees for the year 1921". Biodiversity Heritage Library . Field Museum of Natural History. 1922. p. 449. Archived from the original on 31 October 2020. Retrieved 17 April 2020.
  5. ↑ "Tsavo Lions". Field Museum of Natural History. 10 February 2018. Archived from the original on 30 December 2010. Retrieved 25 April 2020.
  6. ↑ Peterhans, Julian C. Kerbis; Gnoske, Thomas Patrick (2001). "The science of 'man-eating' among lions Panthera leo with a reconstruction of the natural history of the 'man-eaters of Tsavo'". Journal of East African Natural History. 90 (1): 1–40. doi: 10.2982/0012-8317(2001)90[1:TSOMAL]2.0.CO;2 .
  7. ↑ Caputo, P. (2002). Ghosts of Tsavo . Adventure Press, National Geographic. p.  274. ISBN   978-0-7922-6362-3.
  8. ↑ Yeakel, J. D.; Patterson, B. D.; Fox-Dobbs, K.; Okumura, M. M.; Cerling, T. E.; Moore, J. W.; Koch, P. L.; Dominy, N. J. (2009). "Cooperation and individuality among man-eating lions". Proceedings of the National Academy of Sciences. 106 (45): 19040–3. Bibcode:2009PNAS..10619040Y. doi: 10.1073/pnas.0905309106 . PMC   2776458 . PMID   19884504.
  9. ↑ "The Lions' Share – Page 3 – Magazine Archives". magazine.jhu.edu. Archived from the original on 26 November 2022. Retrieved 3 December 2023.
  10. ↑ Alida de Flamingh; Thomas P. Gnoske; Julian C. Kerbis Peterhans; Velizar A. Simeonovski; Nduhiu Gitahi; Ogeto Mwebi; Bernard R. Agwanda; Julian M. Catchen; Alfred L. Roca; Ripan S. Malhi (4 November 2024). "Compacted hair in broken teeth reveals dietary prey of historic lions". Current Biology. 34 (21): 5104–5111.e4. doi:10.1016/j.cub.2024.09.029.
  11. ↑ Janssen, K. (2009). "Scientists restate Tsavo lions' taste for human flesh". Chicago Tribune. Archived from the original on 2 January 2013. Retrieved 2 November 2009.
  12. ↑ Caut, Stéphane; Angulo, Elena; Courchamp, Franck (22 April 2008). "Caution on isotopic model use for analyses of consumer diet". Canadian Journal of Zoology. 86 (5): 438–445. doi:10.1139/Z08-012. ISSN   0008-4301. Archived from the original on 28 May 2020. Retrieved 3 December 2023.
  13. ↑ "Field Museum". Archived from the original on 5 October 2016. Retrieved 24 July 2018.
  14. ↑ "The Tsavo Man-Eaters". lionlamb.us. Archived from the original on 20 August 2011. Retrieved 13 June 2013.
  15. ↑ "Why Man-Eating Lions Prey on People—New Evidence". 19 April 2017. Archived from the original on 26 February 2021. Retrieved 19 April 2017.
  16. 1 2 DeSantis, Larisa R. G.; Patterson, Bruce D. (19 April 2017). "Dietary behaviour of man-eating lions as revealed by dental microwear textures". Scientific Reports. 7 (1): 904. Bibcode:2017NatSR...7..904D. doi:10.1038/s41598-017-00948-5. ISSN   2045-2322. PMC   5430416 . PMID   28424462.
  17. ↑ Ghai, Rajat (21 April 2017). "WILDLIFE & BIODIVERSITY 'Lt. Col. John Henry Patterson's accuracy of description is very much in question'". Archived from the original on 18 May 2022. Retrieved 11 April 2022.

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