|Distribution range of black mamba|
The black mamba (Dendroaspis polylepis) is a highly venomous snake endemic to parts of sub-Saharan Africa. Skin colour varies from grey to dark brown. Juvenile black mambas tend to be paler than adults and darken with age. It is the longest species of venomous snake indigenous to the African continent; mature specimens generally exceed 2 meters (6.6 ft) and commonly attain 3 meters (9.8 ft). Specimens of 4.3 to 4.5 meters (14.1 to 14.8 ft) have been reported.
Although most mamba species are tree-dwelling snakes, the black mamba is not generally arboreal, preferring lairs in terrestrial habitats in a range of terrains. These include savannah, woodlands, rocky slopes and, in some regions, dense forest. It is diurnal and chiefly an ambush predator, known to prey on hyrax, bushbabies and other small mammals, as well as birds. It is also a pursuit predator; in this it resembles other long, speedy, highly venomous species with well-developed vision. Over suitable surfaces it is possibly the fastest species of snake, capable of at least 11 km/h (6.8 mph) over short distances. Adult mambas have few natural predators.
In a threat display, the mamba usually opens its inky-black mouth, spreads its narrow neck-flap and sometimes hisses. It is capable of striking at considerable range and may occasionally deliver a series of bites in rapid succession. Its venom is primarily composed of potent neurotoxins that may cause a fast onset of symptoms. Despite its reputation as formidable and highly aggressive, it usually attempts to flee from humans unless threatened or cornered. The black mamba is rated as least concern on the International Union for Conservation of Nature (IUCN)'s Red List of Endangered species.
The black mamba (Dendroaspis polylepis) is an elapid within the genus Dendroaspis. Although it had been known to missionaries and residents, before 1860, by the name "mamba", which was already established in the vernacular and taken from the Zulu word "imamba", the first formal description was made by German-British zoologist Albert Günther in 1864. A single specimen was one of many snake species collected by Dr John Kirk, a naturalist who accompanied Dr David Livingstone on the Second Zambesi expedition. In 1873, German naturalist Wilhelm Peters described Dendraspis Antinorii from a specimen in the museum of Genoa, which had been killed by Orazio Antinori in what is now northern Eritrea. This was subsequently regarded as a subspecies, and is no longer held to be distinct. In 1896, George Albert Boulenger combined the species (Dendroaspis polylepis) as a whole with the eastern green mamba (Dendroaspis angusticeps), a lumping diagnosis that remained in force until 1946, when FitzSimons split them again into separate species.
Its generic name, Dendroaspis, derives from Ancient Greek dendro (δένδρο), meaning "tree", and aspis (ασπίς), which is understood to mean "shield", but also denotes "cobra" or simply "snake", in particular "snake with hood (shield)". Via Latin aspis, it is the source of the English word "asp". In ancient texts, aspis or asp often referred to the Egyptian cobra (Naja haje), in reference to its shield-like hood. Thus, "Dendroaspis" literally means tree asp, reflecting the arboreal nature of most of the species within the genus. The genus was first described by the German ornithologist and herpetologist Hermann Schlegel in 1848. Evidence suggests that Dendroaspis, Ophiophagus, Bungarus, and Hemibungarus form a solid non-coral snake Afro-Asiatic clade.
The specific epithet polylepis is derived from the Ancient Greek poly (πολύ) meaning "many" and lepis (λεπίς) meaning "scale". It apparently refers to the scale count of this species, which is higher than some other species in the genus.
Dendroaspis polylepis is a large, round-bodied, slender, but powerful snake. It tapers smoothly towards the tail, and is of markedly more robust build than its distinctly gracile congeners Dendroaspis angusticeps and Dendroaspis viridis. The head is often said to be "coffin-shaped" with a somewhat pronounced brow ridge and a medium-sized eye. It is a highly proteroglyphous snake, with fangs up to 6.5 millimeters (0.26 in) in length located at the front of the maxilla. The adult snake's length ranges from 2 meters (6.6 ft) to 3 meters (9.8 ft) routinely but, according to some sources, specimens have grown to lengths of 4.3 to 4.5 meters (14.1 to 14.8 ft). Black mambas weigh about 1.6 kilograms (3.5 lb) on average. A specimen of 1.41 meters (4.6 ft) was found to have weighed 651.7 g (1.437 lb). Dendroaspis polylepis is the second longest venomous snake species, exceeded in length only by the king cobra.
Specimens vary considerably in color; some are olive-brown to khaki, many are grey, but none are black. Some individuals display dark mottling towards the posterior, which may appear in the form of oblique bars. The underbody is often pale yellow or cream colored and the eyes are dark brown to black with a silver or pale yellow corona surrounding the pupil. Juvenile snakes are lighter in color than adults, typically grey or olive green in appearance, and they darken with age.
The head, body and tail scalation of the black mamba:
Distribution and habitat
The black mamba has a wide and fragmented range within sub-Saharan Africa. Specifically, it has been observed in north east Democratic Republic of the Congo, south western Sudan to Ethiopia, Eritrea, Somalia, Kenya, eastern Uganda, Tanzania, Burundi, Rwanda, southwards to Mozambique, Swaziland, Malawi, Zambia, Zimbabwe and Botswana to KwaZulu-Natal in South Africa, and Namibia; then north easterly through Angola to south eastern Democratic Republic of the Congo. The black mamba's distribution contains gaps within the Central African Republic, Chad, Nigeria and Mali. These gaps may lead physicians to misidentify black mamba bites and administer an inappropriate antivenom.
In 1954 the black mamba was recorded in West Africa, in the Dakar region of Senegal. However, this observation, and a subsequent observation that identified a second specimen in the region in 1956, has not been confirmed and thus the snake's distribution in this area is inconclusive. The black mamba is not commonly found at altitudes above 1,000 metres (3,300 ft), although its distribution does reach 1,800 metres (5,900 ft) in Kenya and 1,650 metres (5,410 ft) in Zambia.
It is rated as a species of least concern on the International Union for Conservation of Nature (IUCN)'s Red List of Endangered species, based on its huge range across sub-Saharan Africa and no documented decline.
The black mamba is primarily terrestrial, but occasionally arboreal, especially where it occurs in forest. Typically it inhabits neglected areas of scrub, termite mounds, abandoned burrows and rock crevices. It is adapted to terrain ranging from savannah and woodland to rocky slopes and dense forests. The black mamba prefers moderately dry environments such as light woodland and scrub, rocky outcrops, and semi-arid dry savannah, to dense forest or arid desert.
Behaviour and ecology
The black mamba is graceful but skittish and often unpredictable. It is agile and can move quickly, it is shy and secretive by nature and, like most snakes, it avoids threats. In the wild, a black mamba seldom tolerates humans approaching more closely than about 40 meters. When confronted it is likely to gape in a threat display, exposing its black mouth and flicking its tongue. It also is likely to form a hood by spreading its neck-flap as cobras do. The mamba's hood however, is narrower than that of a typical cobra. The threat display may be accompanied by audible hissing.
During the threat display, any sudden movement by the intruder may provoke the mamba into a series of rapid strikes leading to severe envenomation. Also, the size of the black mamba, plus its ability to raise its head well off the ground, enable it to launch as much as 40% of its body length upwards, so mamba bites in humans quite often are on the upper body. This behaviour also permits the snake to land a strike at unexpectedly long range. The black mamba's reputed readiness to attack is often much exaggerated and usually is provoked by perceived threats, such as blocking its intended retreat, accidentally or otherwise.
For its slender body, the black mamba is deceptively powerful; it is the fastest moving snake indigenous to Africa, and perhaps the fastest anywhere. It does however, move rather clumsily over soft sand, a surface to which it is not adapted. There have been many unrealistic stories concerning the black mamba's speed, perhaps partly because the slender body exaggerates the impression of speed. These stories include the myth that it can outrun a galloping horse or a running human. On 23 April 1906, on the Serengeti Plains, an intentionally provoked black mamba was recorded at a speed of 11 km/h (6.8 mph), over a distance of 43 m (141 ft). A black mamba would almost certainly not be able to exceed 16 km/h (9.9 mph), and like most reptiles it can maintain such relatively high speeds only for short distances.
The black mamba is diurnal and chiefly an ambush predator, though it has been recorded as hunting partly by pursuit, such as catching pigeons at a watering hole before they can fly high enough to escape. It usually goes hunting from a permanent lair, to which it will regularly return, if the hunting is good and it is not disturbed. It hunts mainly by sight and in doing so it commonly will raise much of its length well off the ground. The black mamba does not typically hold onto prey after biting, instead releasing its quarry and waiting for it to succumb to paralysis and die. This however depends on the type of prey; for example, it typically will hold onto a bird till it stops struggling to escape. If prey tries to escape or defend itself, the black mamba often may follow up its initial bite with a rapid series of strikes to incapacitate and quickly kill its prey. The snake has been known to prey on hyrax and rock hyrax, bushbabies, and bats. The black mamba has a potent digestive system and has been observed to digest prey fully within eight to ten hours.
Not many predators challenge an adult black mamba although it does face a few threats such as birds of prey, particularly snake eagles. Although all species of snake eagle commonly prey on snakes, there are two species in particular that do so with high frequency, including preying on black mambas (though eagles have been killed during these attacks). These are the black-chested snake eagle (Circaetus pectoralis) and the brown snake eagle (Circaetus cinereus). The Cape file snake (Mehelya capensis), which is apparently immune to all African snake venoms and preys on other snakes including venomous ones, is a common predator of black mambas (limited only by the size it can swallow). Mongooses, which also are partially immune to venom, and are often quick enough to evade a bite, will sometimes tackle a young black mamba for prey. Humans do not usually consume black mambas, but they often kill them out of fear.
Black mambas breed annually and mating occurs in the early spring, when male mambas locate a female by following her scent trail. After finding a potential mate the male will inspect the female by flicking his tongue over her entire body. As in other species of snakes and many other reptiles, fertilization is internal and the intromittent organs of the males are in the form of hemipenes. Females lay clutches of eggs with an incubation period of some 80 to 90 days. Like most snakes female mambas are both oviparous and iteroparous. Egg-laying typically occurs during the middle of summer and egg clutches range from 6 to 17 eggs.
During the mating season rival males may compete by wrestling, not by biting. Opponents attempt to subdue each other by intertwining their bodies and raising their heads high off the ground. Observers have on occasion mistaken such wrestling for mating.
The black mamba is generally solitary, but not strictly so; as a rule they interact very little except in male rivalry during the mating season. However, black mambas are well known to share retreats occasionally, either with other mambas, or sometimes with other species of snakes.
In hatching, mambas break though the egg shell with an egg tooth and are born with fully developed venom glands; capable of inflicting a potentially lethal bite minutes after hatching. The body of the newly hatched snake contains the residues of the egg yolk, and assimilates them to sustain the young snake until it finds its first prey.
There is little information available concerning the lifespan of wild black mambas, but the longest surviving captive example had a recorded lifespan of 11 years. It is possible that wild black mambas live significantly longer than this.
The black mamba's venom is composed of neurotoxins (dendrotoxin) and cardiotoxins as well as other toxins such as fasciculins. In an experiment, the most abundant toxin found in black mamba venom was observed to be able to kill a mouse in as little as 4.5 minutes. Based on the murine median lethal dose (LD50) values, the black mamba's toxicity from all published sources is as follows:
- (SC) subcutaneous (most applicable to real bites): 0.32 mg/kg, 0.28 mg/kg.
- (IV) intravenous: 0.25 mg/kg, 0.011 mg/kg.
- (IP) intraperitoneal: 0.30 mg/kg (average), 0.941 mg/kg.
This venom is extremely toxic. A bite from a black mamba can deliver about 100–120 mg of venom on average and the maximum dose recorded is 400 mg. It is reported that before antivenom was widely available, the mortality rate from a bite was nearly 100%. The bite of a black mamba can potentially cause collapse in humans within 45 minutes, or less. Without effective antivenom therapy, death typically occurs in 7–15 hours. Presently, there is a polyvalent antivenom produced by the South African Institute for Medical Research to treat black mamba bites from many localities, and a new antivenom is currently being developed by the Universidad de Costa Rica's Instituto Clodomiro Picado.
A bite from a black mamba causes initial neurological and neuromuscular symptoms that may commonly include headache and a metallic taste in the mouth, which may be accompanied by a triad of paresthesias, profuse perspiration and salivation. Other symptoms may include ptosis and gradual bulbar palsy. Localised pain or numbness around the bite site is common but not typically severe; therefore, application of a tourniquet proximal to the bite site is feasible and may assist in slowing the onset of prominent neurotoxicity. Without appropriate treatment, symptoms typically progress to more severe reactions such as tachydysrhythmias and neurogenic shock, leading to death by asphyxiation, cardiovascular collapse, or respiratory failure.
Peptides in black mamba venom have been found to be effective analgesics. These peptides, part of the 'three-finger' family of snake venom toxins (mambalgins), act as inhibitors for acid-sensing ion channels in the central and peripheral nervous system, causing a pain-inihibiting effect. While this effect can be as strong as that of morphine, mambalgins do not have a resistance to naloxone, suffer less from induced tolerance, and cause no respiratory distress.
Attacks on humans
The black mamba is popularly regarded as the most dangerous and feared snake in Africa; to South African locals the black mamba's bite is known as the "kiss of death". However, attacks on humans by black mambas are rare, as they usually try to avoid confrontation, and their occurrence in highly populated areas is not very common compared with some other species. Additionally, the ocellated carpet viper is responsible for more human fatalities due to snakebite than all other African species combined. A survey of snakebites in South Africa from 1957 to 1963 recorded over 900 venomous snakebites, but only seven of these were confirmed black mamba bites, at a time when effective antivenom was not widely available. Out of more than 900 bites, only 21 ended in fatalities, including all seven black mamba bites.
Reported bite cases
Danie Pienaar, now head of South African National Parks Scientific Services, survived the bite of a black mamba without antivenom in 1998. Although no antivenom was administered, Pienaar was in a serious condition, despite the hospital physicians having declared it a "moderate" black mamba envenomation. At one point, Pienaar lapsed into a coma and his prognosis was declared "poor". Upon arrival at hospital Pienaar was immediately intubated, given supportive drug therapy, put on mechanical ventilation and placed on life support for three days, until the toxins were flushed out of his system. He was released from hospital on the fifth day. Pienaar believes he survived for several reasons. In an article in Kruger Park Times he said "Firstly, it was not my time to go." The article went on to state, "The fact that he stayed calm and moved slowly definitely helped. The tourniquet was also essential."
In another case, 28-year-old British student Nathan Layton was bitten by a black mamba and died in March 2008. The black mamba had been found near a classroom at the Southern African Wildlife College in Hoedspruit, where Layton was training to be a safari guide. Layton was bitten by the snake on his index finger while it was being put into a jar, but he didn't realize he'd been bitten. He thought the snake had only brushed his hand. Approximately 30 minutes after being bitten Layton complained of blurred vision. He collapsed and died of a heart attack, nearly an hour after being bitten. Attempts to revive him failed, and he was pronounced dead at the scene.
In a rare case of survival without treatment, American professional photographer Mark Laita was bitten on the leg by a black mamba during a photo-shoot of a black mamba at a facility in Central America. The bite ruptured an artery in his calf, which bled profusely. Laita did not go to the doctor or the hospital, and except for the swollen fang marks giving him intense pain during the night, he was not affected and was fine physically. This led him to believe that either the snake gave him a "dry bite" (a bite without injecting venom) or the heavy bleeding pushed the venom out. Some commenters on the story suggested that it was a venomoid snake (in which the venom glands are surgically removed), but Laita responded that it was not. Only later did Laita find that he had captured the snake biting his leg in a photograph.
- Spawls, S. (2010). "Dendroaspis polylepis". IUCN Red List of Threatened Species. IUCN. 2010: e.T177584A7461853. doi:10.2305/IUCN.UK.2010-4.RLTS.T177584A7461853.en. Retrieved 28 November 2017.
- "Dendroaspis polylepis". Integrated Taxonomic Information System. Retrieved 12 December 2013.
- Uetz, P. "Dendroaspis polylepis Günther, 1864". Reptile Database. Zoological Museum Hamburg. Retrieved 2 December 2011.
- Zululand, a mission tour in South Afrika [Africa]. Nisbet. 1862. pp. 183–.
- Journal of the Society of Arts. The Society. 1859. pp. 252–.
- "Definition of mamba in English". Oxford Dictionaries. OED. Retrieved 11 January 2017.
- Günther, Albert (1864). "Report on a collection of reptiles and fishes made by Dr. Kirk in the Zambesi and Nyassa Regions". Proceedings of the Zoological Society of London: 303–14 .
- Peters, Wilhem Carl Hartwig (1873). "Über zwei Giftschlangen aus Afrika und über neue oder weniger bekannte Gattungen und Arten von Batrachiern". Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin: 411–18.
- Boulenger, George Albert (1896). Catalogue of the snakes in the British Museum (Natural History). London, United Kingdom: Printed by order of the Trustees British Museum (Natural History). Department of Zoology. p. 437.
- Haagner, GV; Morgan, DR (January 1993). "The maintenance and propagation of the Black mamba Dendroaspis polylepis at the Manyeleti Reptile Centre, Eastern Transvaal". International Zoo Yearbook. 32 (1): 191–196. doi:10.1111/j.1748-1090.1993.tb03534.x. Retrieved 14 December 2013.
- "dendro-". Collins English Dictionary - Complete & Unabridged 10th Edition. HarperCollins Publishers. Retrieved 4 March 2014.
- "Definition of "aspis" - Collins English Dictionary". collinsdictionary.com. Retrieved 15 February 2015.
- "aspis, asp". Dictionary.com Unabridged. Random House. Retrieved 4 March 2014.
- "Dendroaspis". Integrated Taxonomic Information System. Retrieved 9 December 2013.
- Castoe, TA; Smith, EN; Brown, RM; Parkinson, CL (2007). "Higher-level phylogeny of Asian and American coralsnakes, their placement within the Elapidae (Squamata), and the systematic affinities of the enigmatic Asian coral snake Hemibungarus calligaster (Wiegmann, 1834)" (PDF). Zoological Journal of the Linnean Society. 151 (4): 809–831. doi:10.1111/j.1096-3642.2007.00350.x. Retrieved 26 April 2014.
- "-lepis". merriam-webster.com. Retrieved 15 February 2015.
- Loveridge, Arthur (1951). "On reptiles and amphibians for Tanganyika Territory collected by C.J. P. Ionides". Bulletin of the Museum of Comparative Zoology at Harvard College. 106: 175–204 .
- Mattison, Chris (1987-01-01). Snakes of the World. New York: Facts on File, Inc. p. 164. ISBN 0-8160-1082-X.
- Stephen Spawls; Kim Howell; Robert Drewes; James Ashe (2002). A Field Guide to the Reptiles of East Africa. London: Bloomsbury. pp. 463–464. ISBN 978-0-7136-6817-9.
- FitzSimons, Vivian F.M. (1970). A Field Guide to the Snakes of Southern Africa (Second ed.). HarperCollins. pp. 167–169. ISBN 0-00-212146-8.
- "Black mamba". National Geographic Society. Retrieved 2010-03-12.
- Ouattara, K.; Lemasson, A.; Zuberbühler, K. (2009). "Anti-predator strategies of free-ranging Campbell's monkeys". Behaviour. 146 (12): 1687–1708. doi:10.1163/000579509x12469533725585.
- Feldman, A.; Meiri, S. (2013). "Length–mass allometry in snakes". Biological Journal of the Linnean Society. 108 (1): 161–172. doi:10.1111/j.1095-8312.2012.02001.x.
- Randy Schott. "ADW: Dendroaspis polylepis: INFORMATION". Animal Diversity Web. Retrieved 4 February 2015.
- Marais, Johan (2004). A complete guide to the snakes of southern Africa (New ed.). Cape Town: Struik. p. 97. ISBN 978-1-86872-932-6.
- Håkansson, Thomas; Thomas Madsen (1983-01-01). "On the Distribution of the Black Mamba (Dendroaspis polylepis) in West Africa". Journal of Herpetology. Society for the Study of Amphibians and Reptiles. 17 (2): 186–189. doi:10.2307/1563464. JSTOR 1563464.
- Maina, J.N (December 1989). "The morphology of the lung of the black mamba Dendroaspis polylepis". The Journal of Anatomy. 167: 31–46. PMC . PMID 2630539.
- Burton, R. (2002). International Wildlife Encyclopedia: Leopard – marten. USA: Marshall Cavendish. p. 3168. ISBN 0-7614-7277-0.
- Van Der Vlies, C. (2010). Southern Africa Wildlife and Adventure. British Columbia, Canada/Indiana, United States: Trafford Publishing. pp. 180–181. ISBN 978-1-4269-1932-9.
- Austin Stevens: Snakemaster, (2002) "Seven Deadly Strikes" documentary
- World Book, Inc (1999) The World Book encyclopedia, Volume 1, Page 525
- Rose, Walter; The reptiles and amphibians of southern Africa; Pub: Maskew Miller, 1950
- Mikael Jolkkonen, Muscarinic Toxins from Dendroaspis (Mamba) Venom Page 15, Uppsala University
- Warren, Schmidt (2006) Reptiles & Amphibians of Southern Africa, Page 34
- Gerald L. Wood, (1976) The Guinness book of animal facts and feats, Page 132
- Leopard, Marten (2002) International Wildlife Encyclopedia, Page 1530
- Harry W. Greene, (1997), Snakes: The Evolution of Mystery in Nature, Page 40
- Branch, Bill (1988). Field Guide to the Sankes and Other Reptiles of Southern Africa. London: New Holland. p. 95. ISBN 1-85368-112-1.
- Bauchot, R. (2006). Snakes: A Natural History. Sterling. pp. 41,76,176. ISBN 978-1-4027-3181-5.
- Mehelya capensis (Southern file snake, Cape file snake) Archived May 4, 2014, at the Wayback Machine., Iziko South African Museum
- "Mongoose Vs. Snake - Nat Geo Wild". Nat Geo Wild. Retrieved 4 February 2015.
- "Villagers corner and kill deadly black mamba snake". scotsman.com. Retrieved 1 February 2015.
- Spawls, S.; Branch, B. (1995). The dangerous snakes of Africa: natural history, species directory, venoms, and snakebite. Dubai: Oriental Press: Ralph Curtis-Books. pp. 49–51. ISBN 0-88359-029-8.
- GJ Müller; H Modler; CA Wium; DJH Veale; C J Marks (October 2012). "Snake bite in southern Africa: diagnosis and management". CME. 30 (10): 362–381. Retrieved 2 March 2015.
- Strydom, Daniel (1971-11-12). "Snake Venom Toxins" (PDF). The Journal of Biological Chemistry. 247 (12): 4029–42. PMID 5033401. Retrieved 2010-04-24.
- Fry, Bryan, Deputy Director, Australian Venom Research Unit, University of Melbourne (March 9, 2002). "Snakes Venom LD50 – list of the available data and sorted by route of injection ". venomdoc.com. (archived) Retrieved October 14, 2013.
- Sherman A. Minton, (May 1, 1974) Venom diseases, Page 116
- Philip Wexler, 2005, Encyclopedia of toxicology, Page 59
- JERRY G. WALLS, "The World's Deadliest Snakes", Reptiles
- Thomas J. Haley, William O. Berndt, 2002, Toxicology, Page 446
- Scott A Weinstein, David A. Warrell, Julian White and Daniel E Keyler (Jul 1, 2011) " Bites from Non-Venomous Snakes: A Critical Analysis of Risk and Management of "Colubrid" Snake Bites (page 246)
- Visser, J; Chapman, DS (1978). Snakes and Snakebite: Venomous snakes and management of snake bite in Southern Africa. Purnell. p. 52. ISBN 0-86843-011-0.
- Davidson, Terence. "IMMEDIATE FIRST AID". University of California, San Diego. Retrieved 2010-05-12.
- Sánchez, Andrés; et al. (2017). "Expanding the neutralization scope of the EchiTAb-plus-ICP antivenom to include venoms of elapids from Southern Africa". Toxicon. 125: 59–64. doi:10.1016/j.toxicon.2016.11.259. PMID 27890775. Retrieved 2016-11-24.
- S.B. Dreyer; J.S. Dreyer (November 2013). "Snake Bite: A review of Current Literature". East and Central African Journal of Surgery. 18 (3): 45–52. ISSN 2073-9990. Retrieved 2 March 2015.
- Závada J.; Valenta J.; Kopecký O.; Stach Z.; Leden P. "Black Mamba Dendroaspis Polylepis Bite: A Case Report". Department of Anesthesiology and Intensive Care, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, Czech Republic. Retrieved 25 February 2015.
- Diochot, Sylvie; Baron, Anne; Salinas, Miguel; Douguet, Dominique; Scarzello, Sabine; Dabert-Gay, Anne-Sophie; Debayle, Delphine; Friend, Valérie; Alloui, Abdelkrim (2012-10-25). "Black mamba venom peptides target acid-sensing ion channels to abolish pain". Nature. 490 (7421): 552–555. doi:10.1038/nature11494. ISSN 0028-0836.
- "Black Mamba: Kiss of Death". Smithsonian Channel. Retrieved 15 February 2015.
- The new encyclopedia of Reptiles (Serpent). Time Book Ltd. 2002.
- O'Shea, M. (2005). Venomous Snakes of the World. United Kingdom: New Holland Publishers. p. 78. ISBN 0-691-12436-1.
... in common with other snakes they prefer to avoid contact; ... from 1957 to 1963 ... including all seven black mamba bites - a 100 per cent fatality rate
- "Scientists gather in Kruger National Park for Savanna Science Network Meeting". South African Tourism. 5 March 2013. Retrieved 26 April 2014.
- "Surviving a Black Mamba bite". Siyabona Africa - Kruger National Park. Siyabona Africa. Retrieved 26 April 2014.
- "British trainee safari guide killed by bite from a black mamba snake he thought had just brushed his hand". UK Daily Mail. Retrieved 20 December 2013.
- "Black mamba snake bite killed British student Nathan Layton". Mirror News. Retrieved 20 December 2013.
- Rowan Hooper (January 19, 2012) Portraits of snake charm worth elephant-killing bite newscientist
- Megan Gambino. "Snakes in a Frame: Mark Laita's Stunning Photographs of Slithering Beasts". Smithsonian. Retrieved 1 February 2015.
- "Black Mamba Bite: The Back Story". strange behaviors. Retrieved 1 February 2015.
- Thorpe, Roger S.; Wolfgang Wüster, Anita Malhotra (1996). Venomous Snakes: Ecology, Evolution, and Snakebite. Oxford, England: Oxford University Press. ISBN 978-0-19-854986-4
- McDiarmid, Roy W.; Jonathan A. Campbell; T'Shaka A. Tourè (1999). Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. ISBN 978-1-893777-01-9
- Dobiey, Maik; Vogel, Gernot (2007). Terralog: Venomous Snakes of Africa (Terralog Vol. 15). Aqualog Verlag GmbH.; 1st edition. ISBN 978-3-939759-04-1
- Mackessy, Stephen P. (2009). Handbook of Venoms and Toxins of Reptiles. CRC Press; 1st edition. ISBN 978-0-8493-9165-1
- Greene, Harry W.; Fogden, Michael; Fogden, Patricia (2000). Snakes: The Evolution of Mystery in Nature. University of California Press. ISBN 978-0-520-22487-2
- Spawls, Stephen; Ashe, James; Howell, Kim; Drewes, Robert C. (2001). Field Guide to the Reptiles of East Africa: All the Reptiles of Kenya, Tanzania, Uganda, Rwanda and Burundi Princeton University Press. ISBN 978-0-12-656470-9
- Broadley, D.G.; Doria, C.T.; Wigge, J. (2003). Snakes of Zambia: An Atlas and Field Guide. Frankfurt am Main, Germany: Edition Chimaira. ISBN 978-3-930612-42-0
- Marais, Johan (2005). A Complete Guide to the Snakes of Southern Africa. Cape Town, South Africa: Struik Nature. ISBN 978-1-86872-932-6
- Engelmann, Wolf-Eberhard (1981). Snakes: Biology, Behavior, and Relationship to Man. Leipzig; English version NY, US: Leipzig Publishing; English version published by Exeter Books (1982). ISBN 0-89673-110-3
- Minton, Sherman A. (1969). Venomous Reptiles. US: New York Simon Schuster Trade. ISBN 978-0-684-71845-3
- FitzSimons, Vivian FM (1970). A field guide to the snakes of Southern Africa. Canada: HarperCollins. ISBN 0-00-212146-8
- Department of the Navy Bureau of Medicine and Surgery (2013). Venomous Snakes of the World: A Manual for Use by U.S. Amphibious Forces. Skyhorse Publishing. ISBN 978-1-62087-623-7
- Branch, Bill (1988). Bill Branch's Field Guide to the Snakes and Other Reptiles of Southern Africa (More than 500 Photographs for Easy Identification). Cape Town, South Africa: Struik Publishers. ISBN 978-0-86977-641-4
- Branch, Bill (1998). Field Guide to the Snakes and Other Reptiles of Southern Africa. Ralph Curtis Publishing. ISBN 978-0-88359-042-3
- Branch, Bill (2005). Photographic Guide to Snakes Other Reptiles and Amphibians of East Africa. Sanibel Island, Florida: Ralph Curtis Books. ISBN 978-0-88359-059-1
- Mara, Wil; Collins, Joseph T; Minton, SA (1993). Venomous Snakes of the World. TFH Publications Inc. ISBN 978-0-86622-522-9
- Stocker, Kurt F. (1990). Medical Use of Snake Venom Proteins. CRC Press. ISBN 978-0-8493-5846-3
- Mebs, Dietrich (2002). Venomous and Poisonous Animals: A Handbook for Biologists, Toxicologists and Toxinologists, Physicians and Pharmacists. Medpharm. ISBN 978-0-8493-1264-9
- White, Julian; Meier, Jurg (1995). Handbook of Clinical Toxicology of Animal Venoms and Poisons. CRC Press. ISBN 978-0-8493-4489-3
- Vitt, Laurie J; Caldwell, Janalee P. (2013). Herpetology, Fourth Edition: An Introductory Biology of Amphibians and Reptiles. Academic Press. ISBN 978-0-12-386919-7
- Tu, Anthony T. (1991). Handbook of Natural Toxins, Vol. 5: Reptile Venoms and Toxins. Marcel Dekker. ISBN 978-0-8247-8376-1
- Mattison, Chris (1995). The Encyclopedia of Snakes. Facts on File; 1st U.S. edition. ISBN 978-0-8160-3072-9
- Coborn, John (1991). The Atlas of Snakes of the World. TFH Publications. ISBN 978-0-86622-749-0
Media related to Dendroaspis polylepis at Wikimedia Commons
|Wikispecies has information related to Dendroaspis polylepis|