Hanlie Engelbrecht

Hanlie Engelbrecht
University of the Witwatersrand | wits · School of Animal, Plant and Environmental Sciences

PhD, Zoology

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11
Publications
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Publications

Publications (11)
Article
Full-text available
Background The African continent is comprised of several different biomes, although savanna is the most prevalent. The current heterogeneous landscape was formed through long-term vegetation shifts as a result of the global cooling trend since the Oligocene epoch. The overwhelming trend was a shift from primarily forest, to primarily savanna. As su...
Article
The African colubrid snake genus Crotaphopeltis currently comprises six species and occurs throughout sub‐Saharan Africa. The most widespread of these, Crotaphopeltis hotamboeia, inhabits most biomes, aside from rainforest and hyper‐arid regions, and its catholic niche has presumably facilitated substantial gene flow. Despite this, the geographical...
Article
A new species of tree snake Dipsadoboa montisilva Branch, Conradie & Tolley sp. nov. (Serpentes: Colubridae) is described from the ‘sky islands’ of Mount Mabu and Mount Ribáuè in northern Mozambique. Features of scalation, colour, body form and habitat distinguish the new species from other Dipsadoboa. This is supported by a phylogenetic analysis u...
Article
The African green and bush snakes of the genus Philothamnus currently comprises 21 species and three subspecies and occurs throughout sub-Saharan Africa. The genus has been the subject of previous taxonomic revisions based on traditional morphological characters and limited genetic assessment, and may not reflect their evolutionary history. Indeed,...
Article
Full-text available
Pachydactylus is the most species-rich reptile genus in southern Africa. Most species are habitat specialists adapted to hyper-arid conditions of the Namibian and north-western South African xeric regions. Although a fair number of phylogenetic studies and taxonomic revisions have been published, some species still remain rather enigmatic. In the t...
Article
Full-text available
We carried out a survey of reptiles and amphibians within Afromontane forest and woodland slopes of three inselbergs in northern Mozambique (Mount Mabu, Mount Namuli, and Mount Ribáuè). A total of 56 species (22 amphibians and 34 reptiles) were recorded during the current survey. Our findings substantially increase the number of herpetofaunal speci...
Article
Aim To determine the geographical boundaries among cryptic lineages and examine the evolutionary drivers of cladogenesis within the Cape legless skink, Acontias meleagris species complex. Location Coastal plains and adjacent interior of the Eastern, Northern and Western Cape provinces of South Africa. Methods A total of 231 specimens from 55 locali...
Article
It has been proposed that melanism in cordylids evolved in response to a single climatic event and that melanistic populations of Karusasaurus polyzonus are relictual. This study investigates the genetic relationships of melanistic and non-melanistic populations of K. polyzonus along the west coast of South Africa. Thirty-five specimens of K. polyz...

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