Red List of South African Species

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Least Concern (LC)

Rationale (Changed due to Same category and criteria)

Although the species is widespread, the large size of individuals, the relatively low densities of populations, and its status as a top predator, make Python natalensis especially sensitive to habitat transformation and fragmentation. This has resulted in declines or extirpation of several populations (FitzSimons 1962, Alexander 1990), but these have not been sufficiently extensive for the species to be classified as threatened. This regional assessment is therefore Least Concern.

Distribution

Endemic to the southern half of Africa. Occurs from the equator in Africa southwards to the northern and eastern parts of South Africa (Alexander 2007), including the northeastern parts of the Northern Cape Province, South Africa, and Eswatini (Swaziland) (Bates et al. 2014). In the west, the species only reaches as far north as the northern border of Angola, but appears to penetrate farther north in the east at elevated altitudes on the eastern and western arcs of the Rift Valley (Broadley 1999). The southernmost population, in the Eastern Cape Province, South Africa, is isolated from other more northern populations by a distance of more than 350 km. This population once thought to have been extirpated in the early part of the 20th Century (FitzSimons 1962), but occasional records from the region (e.g. Alicedale , 1980s, W.R. Branch unpubl. data, 1984) indicate that small populations may still survive there. Specimens were introduced into the Andries Vosloo Kudu Reserve  in the early 1980s and subsequent records, including records of hatchlings, indicate that the introduction was successful, at least in the short term (W.R. Branch unpubl. data, 1984). Apart from the Alicedale and Andries Vosloo populations, all other populations in the Eastern Cape are now considered extirpated, as there have not been any reports of their continued existence within the last 50 years.

Population trend

Trend

Although populations in the Eastern Cape Province of South Africa appear to have been extirpated, there is evidence of recent range expansion of the southern boundary of the range in Northwest, Gauteng and KwaZulu-Natal provinces (G.J. Alexander pers. obs. 2018). Although Alexander (1990) reported that the species had become rare in Durban, recent observations suggest a reversal in this trend.

Threats

The large body size attained by adults means that population densities are likely to be relatively low but that individuals are often highly visible. These factors make the species susceptible to a number of threats, including harvesting for the muthi, meat (Williams et al. 2016), fashion and pet trade (Broadley 1983, Branch 1988) and wanton killing - these snakes are perceived to be a threat to livestock (Branch 1988). Habitat transformation has caused the extirpation of some populations (Alexander 1990) and electrocution on game-fencing represents a growing and serious threat (Beck 2009).

Uses and trade

Animals are collected for the pet trade and the muthi market (Williams et al. 2016). The full extent of this trade is unknown.

Conservation

Measure population densities and investigate the species' spatial ecology in order to estimate the minimum area needed to sustain populations. Quantify the unregulated trade in this species. An assessment of the taxonomic status of Python natalensis is needed.

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