âInstead of capturing two potential study animals, we found one well-fed study animal,â Maritz and his colleagues explained in their paper published this week in the journal Ecology. Cape cobras (Naja nivea) grow up to five feet in length, have potent venom, and have been found to engage in cannibalism, eating members of their own species.  The average venom yield per bite is 100 to 150 mg according to Minton.
The specific epithet nivea is derived from the Latin words either nix or nivis meaning "snow" or niveus meaning "snowy". , The Cape cobra is a diurnal species and actively forages throughout the day. But for the most part, itâs believed that these snakes prey upon other species, not their own.
Itâs often said that we live in a dog-eat-dog world. Cape Cobras are very good tree climbers and is known to raid bird nests. The anal shield is entire.
 If the threat remains motionless, the snake will quickly look for an escape, but any sort of movement will get the snake into a defensive posture again.
Itâs not necessarily surprising, though, that these snakes would take the opportunity to consume a smaller snake they stumble across or even defeat in battle, says Kate Jackson, a herpetologist with Whitman College in Washington who was not involved in the study.
It is a quick moving and alert species, and although generally not as aggressive as some other African species of venomous snake, when disturbed the Cape cobra will raise its forebody off the ground and spread a broad hood and hiss loudly. This species' preferred habitat is fynbos, bushveld, karoo scrubland, arid savanna, and deserts such as the Namib desert and the Kalahari desert where it can be found in rodent burrows, abandoned termite mounds and, in arid regions, rock crevices.
In addition, individuals show a varying degree of black or pale stippling and blotches, and although it has been stated that colour and marking are geographically related, it is also possible to observe virtually all colour varieties at one location. The species is diurnal, terrestrial and quick moving. Where it occurs in temperate regions and arid karroid regions, it is often found along rivers and streams entering well-drained, open areas.
It can be nervous and aggressive but won’t attack unless cornered or provoked.
Cape cobras are also known to venture into villages, partially developed suburbs, and squatter communities where they may enter houses to escape the heat of the day. In a new paper, researchers report that some of the most notorious snakes on Earthâcobrasâregularly consume their own kind. Mechanical ventilation and symptom management is often enough to save a victim's life, but cases of serious Cape cobra envenomation will require antivenom. A cape cobra male consumes a smaller male of the same species in southern Africa, a display of cannibalism thought to be rare among the species.
When death does occur, it normally takes anywhere from an hour (in severe cases) to ten hours (or more) and it is often as a result of respiratory failure, due to the onset of paralysis.
https://www.nationalgeographic.com/animals/2018/10/african-cobras-cannibalism-snake-eaters-news.html, an extensive review conducted 11 years earlier, the mechanics of snake-on-snake predation in kingsnakes. Maximum confirmed length is 5.6 metres (18 feet), but most do not exceed 3.6 metres (12 feet). They also mined reports made by local citizen scientists in a public Facebook group. âThe potential link between male-male combat and cannibalism is tantalizing,â Maritz says. For example, it is well known that the Kalahari Desert specimens in Botswana and Namibia are usually more consistently yellow than the more southerly populations. In the same study period conducted at DeHoop, Cape cobras were seen scavenging and feeding on carrion on two occasions.
The Cape cobra is a medium sized species of cobra. âToo much of what is known of the diets of snakes in the wild is based only on lists of prey items obtained from field guides,â and not novel research, she says. And itâs not just dogsâcannibalism is widespread in the animal kingdom. Afrikaans speaking South Africans also refer to the Cape cobra as "koperkapel", mainly because of a rich yellow color variation.
Jackson â who has studied the mechanics of snake-on-snake predation in kingsnakes â says she was âdelightedâ to see this kind of work being conducted.  It feeds on a wide spectrum of prey, including other snakes, rodents, lizards, birds, and carrion.
 The antivenom used in case of a bite is a polyvalent antivenom produced by the South African Institute of Medical Research (SAIMR). The Cape cobra is considered the most dangerous of the Africian species because it ventures into human-inhabited areas to escape the heat or seek prey items.This increases the species’ interactions with humans. , This species is oviparous. They are also found in the Kalahari desert, particularly in the southern regions of the Kalahari.
It is also found in the southern half of Namibia, southwestern Botswana, and western Lesotho.
There are no known subspecies of this snake. In Lesotho, they can even be found in altitudes as high as 2500 m (8202.1 ft) above sea level. , The Cape cobra is regarded as one of the most dangerous species of cobra in all of Africa, by virtue of its potent venom and frequent occurrence around houses.
Mating season is during the months of September and October, when these snakes may be more aggressive than usual.
Males are slightly larger than females. Indeed, many snake species will hunt other snakes opportunistically, and some â like the infamous king cobra (Ophiophagus hannah) â have made serpents the majority of their diet.
The male exclusivity also intrigues William Hayes, a snake expert and behavioral ecologist with Loma Linda University in California, who says he found the study âfascinating.â, âWe might be tempted to assume that the effects of ophiophagy in this group are minor, but relatively rare events can sometimes have profound implications,â he says. 2020 National Geographic Partners, LLC.  Both were road-killed snakes, the first, an adult Psammophylax rhombeatus, the second an adult Karoo whip snake, Psammophis notostictus. Identification.
This species is endemic to southern Africa. Cape cobras are medium-sized, highly poisonous cobra snakes occurring extensively across southern Africa. In one captive study, mating occurred in the month of September and oviposition in November. He and his colleagues combed through the scientific literature looking for reports of snake-eating â what scientists refer to as ophiophagy â in the six species of cobra that live in southern Africa. This page was last modified 04:51, 9 July 2012. Specimens typically average around 1.2 to 1.4 m (3.9 to 3.6 ft) long, but it may grow up to 1.6 m (5.25 ft) in length.
Browse 51 cape cobra stock photos and images available, or search for puff adder or snake to find more great stock photos and pictures.  However, at DeHoop, and other specific locations in the Western Cape, all colour variations have been recorded..
Cobras are among the most dangerous snakes in Africa because of their potent venoms.
Predators of this species include birds of prey and different species of mongoose. Join National Geographic Explorer Sandesh Kadur as he explains the preferred meal of âthe snake that is a nightmare to other snakes.â.
This encounter took place at Nossob in the Kgalagadi National Park very close to our tent! The Cape cobra (Naja nivea), also called the yellow cobra is a medium sized, highly venomous cobra inhabiting a wide variety of biomes across southern Africa including arid savanna, fynbos, bushveld, desert and semi-desert regions.
It can also be found in rocky hills of the Cape and in desert and semi-desert areas of its geographical range.
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