Tsavo Man-Eaters
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History of Kenya |
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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.
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
[edit]The killings start
[edit]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
[edit]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
[edit]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
[edit]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
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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]
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.[10] Other researchers have also shown that estimates of animal diets derived from isotopic models often deviate considerably from the correct values.[11]
Possible causes of "man-eating" behavior
[edit]Theories for the man-eating behaviour of lions have been reviewed by Peterhans and Gnoske, as well as Dr. Bruce D. Patterson (2004). Their discussions include the following:
- An outbreak of rinderpest (cattle plague) in 1898 (see 1890s African rinderpest epizootic) devastated the lions' usual prey, forcing them to find alternative food sources.
- The Tsavo lions may have been accustomed to finding dead humans at the Tsavo River crossing. Slave caravans to the center of the East African slave trade, Zanzibar, routinely crossed the river there.
An alternative argument indicates that the first lion had a severely damaged tooth that would have compromised its ability to kill natural prey.[12] However, the general public has generally disregarded this theory. Colonel Patterson, who killed the lions, personally disclaimed it, saying that he damaged that tooth with his rifle while the lion charged him one night, prompting it to flee.[13]
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.[14][15]
A 2017 study by Dr. 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.[15][16]
Popular culture
[edit]In film
[edit]Patterson's book was the basis for several films:
- Men Against the Sun (1952) – shot on location in Kenya
- Bwana Devil (1952)
- Killers of Kilimanjaro (1959)
- The Ghost and the Darkness (1996), with Val Kilmer playing John Henry Patterson
- Prey (South Africa, 2007)
See also
[edit]References
[edit]- ^ a b c d e f g h i Patterson, J. H. (1908). The Man-eaters of Tsavo and Other East African Adventures. MacMillan and Co).
- ^ 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.
- ^ "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.
- ^ "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.
- ^ "Tsavo Lions". Field Museum of Natural History. 10 February 2018. Archived from the original on 30 December 2010. Retrieved 25 April 2020.
- ^ 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.
- ^ Caputo, P. (2002). Ghosts of Tsavo. Adventure Press, National Geographic. p. 274. ISBN 978-0-7922-6362-3.
- ^ 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.
- ^ "The Lions' Share – Page 3 – Magazine Archives". magazine.jhu.edu. Archived from the original on 26 November 2022. Retrieved 3 December 2023.
- ^ 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.
- ^ 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.
- ^ "Field Museum". Archived from the original on 5 October 2016. Retrieved 24 July 2018.
- ^ "The Tsavo Man-Eaters". lionlamb.us. Archived from the original on 20 August 2011. Retrieved 13 June 2013.
- ^ "Why Man-Eating Lions Prey on People—New Evidence". 19 April 2017. Archived from the original on 26 February 2021. Retrieved 19 April 2017.
- ^ a b 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.
- ^ 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.
Further reading
[edit]- Caputo, P. (2002). Ghosts of Tsavo: Stalking the Mystery Lions of East Africa (First ed.). National Geographic. ISBN 978-0792241003.
- Dubach, J.; Patterson, B. D.; Briggs, M. B.; Venzke, K.; Flamand, J.; Stander, P.; Scheepers, L.; Kays, R. W. (2005). "Molecular genetic variation across the southern and eastern geographic ranges of the African lion, Panthera leo". Conservation Genetics. 6 (1): 15–24. Bibcode:2005ConG....6...15D. doi:10.1007/s10592-004-7729-6. S2CID 30414547.
- Gnoske, T. P.; Celesia, G. G.; Kerbis Peterhans, J. C. (2006). "Dissociation between mane development and sexual maturity in lions (Panthera leo): Solution to the Tsavo riddle?". Journal of Zoology. 270 (4): 551–560. doi:10.1111/j.1469-7998.2006.00200.x.
- Kerbis Peterhans, J.C.; Gnoske, T.P. (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: 1–40. doi:10.2982/0012-8317(2001)90[1:tsomal]2.0.co;2.
- Neiburger, E. J.; Patterson, B. D. (2000). "Man eating lions...a dental link". Journal of the American Association of Forensic Dentists. 24 (7–9): 1–3.
- Neiburger, EJ; Patterson, BD (2000). "The man-eaters with bad teeth". The New York State Dental Journal. 66 (10): 26–29. PMID 11199522.
- Patterson, B. D. (2005). "Living with lions in Tsavo, or notes on managing man-eaters". Travel News & Lifestyle (East Africa). 129: 28–31.
- Patterson, B. D.; Kasiki, S. M.; Selempo, E.; Kays, R. W. (2004). "Livestock predation by lions (Panthera leo) and other carnivores on ranches neighbouring Tsavo National Parks, Kenya". Biological Conservation. 119 (4): 507–516. Bibcode:2004BCons.119..507P. doi:10.1016/j.biocon.2004.01.013.
- Patterson, B. D.; Kays, R. W.; Kasiki, S. M.; Sebestyen, V. M. (2006). "Developmental Effects of Climate on the Lion's Mane (Panthera Leo)". Journal of Mammalogy. 87 (2): 193–200. doi:10.1644/05-MAMM-A-226R2.1.
- Patterson, B. D.; Neiburger, E. J.; Kasiki, S. M. (2003). "Tooth Breakage and Dental Disease As Causes of Carnivore–Human Conflicts". Journal of Mammalogy. 84: 190–196. doi:10.1644/1545-1542(2003)084<0190:TBADDA>2.0.CO;2.
- Patterson, J. H. (1908). The Man-eaters of Tsavo and Other East African Adventures. MacMillan and Co).
- Peterhans, J. C. K.; Kusimba, C. M.; Gnoske, T. P.; Andanje, S.; Patterson, B. D. (1998). "Man-Eaters of Tsavo: Scientific detectives take up the search for an infamous 'lions' den,' lost for one hundred years". Natural History. 107 (9): 12–14.
- Price, W. (1967). Lion Adventure.
- Schulman, A. (2012). Three Weeks in December. New York: Europa Editions. p. 352. ISBN 978-1-60945-064-9.
Sources
[edit]External links
[edit]- Field Museum of Natural History – Tsavo Lion Exhibit
- Guide to resources related to the Tsavo Lions at the Field Museum Library
- Journal: man-eaters of Tsavo – Natural History, November 1998 (via FindArticles.com)
- Man-Eating Lions Not Aberrant, Experts Say – National Geographic News, 4 January 2004