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Wahlberg's velvet gecko (Homopholis wahlbergii) is a species of large gecko, a lizard in the family Gekkonidae. The species occurs exclusively in Southern Africa.
| Wahlberg's velvet gecko | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Family: | Gekkonidae |
| Genus: | Homopholis |
| Species: | H. wahlbergii
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| Binomial name | |
| Homopholis wahlbergii (A. Smith, 1849)
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| Distribution in south-east Africa according to the IUCN.
Extant (resident)
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| Synonyms[3] | |
Etymology
editThe specific name, wahlbergii, is in honour of Swedish naturalist Johan August Wahlberg.[4] The spelling walbergii was corrected to wahlbergii by Smith (1849) in an errata within an addenda slip (unpaginated).
Geographic range
editH. wahlbergii is endemic to Miombo and Mopane bushveld of Botswana, South Africa, Eswatini, Zimbabwe, and Mozambique. The largest part of its range covers Zimbabwe.[citation needed]
Habitat
editH. wahlbergii shelters under tree bark, rocks, empty bird nests, and other places in coastal bush and mesic and arid savannas.[1]
Description
editWahlberg's velvet gecko is so called because the skin looks and feels like velvet. The back varies from dark grey to soft grey-brown and may be crossed with paler chevrons or crossbars or have mottled paler areas nestled along the centre of its back and spine.[5] Adults may attain a total length (including tail) of 21 cm (8.3 in), but average total length is 14–18 cm (5.5–7.1 in).[citation needed]
Behaviour
editH. wahlbergii is nocturnal; however, it has been observed to occasionally be active during the day.[1] It ventures far from its usual roost only at night, when courtship generally occurs.[citation needed] It is frequently found in baobab trees and in the roofs and walls of traditional mud-huts and other human dwellings.[5]
Diet
editH. wahlbergii is mainly insectivores.[1] Beetles make up the majority of its diet, with butterflies making up the next largest proportion, although it can also consume millipedes.[6]
Breeding
editMales and females of H. wahlbergii exhibit little to no sexual dimorphism.[6] Females reproduce annually once they reach sexual maturity.[6] The female lays pairs of large, hard-shelled eggs that start soft and adhesive. Egg length, 17–19 mm (0.67–0.75 in), is not correlated to maternal length.[6] These eggs are concealed under bark overhangs or in rock crevices.[5]
References
edit- ^ a b c d Bates MF, Branch WR (2018). "Homopholis wahlbergii". The IUCN Red List of Threatened Species 2018: e.T120696043A115894707. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T120696043A115894707.en. Downloaded on 22 October 2020.
- ^ Bates MF; et al. (Alexander, G.J., Conradie, W., Pietersen, D., Tolley, K.A., Weeber, J. & Branch WR) (2022). "Homopholis wahlbergii". IUCN Red List of Threatened Species. 2022: e.T120696043A197429420. doi:10.2305/IUCN.UK.2022-1.RLTS.T120696043A197429420.en. Retrieved 21 January 2023.
- ^ Species Homopholis walbergii at The Reptile Database www.reptile-database.org.
- ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Homopholis wahlbergii, p. 278).
- ^ a b c Branch, Bill (2004). Field Guide to Snakes and other Reptiles of Southern Africa. Third Revised edition, Second impression. Sanibel Island, Florida: Ralph Curtis Books. 399 pp. ISBN 0-88359-042-5. (Homopholis wahlbergii, pp. 244–245 + Plate 90).
- ^ a b c d Whiting MJ, Reaney LT, Keogh JS (2007). "Ecology of Wahlberg's velvet gecko Homopholis wahlbergii in southern Africa". African Zoology 42: 38-44.
Further reading
edit- Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume I. Geckonidæ ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xii + 436 pp. + Plates I-XXXII. (Homopholis wahlbergii, p. 191).
- Branch, Bill [in French] (2002). A Photographic Guide to Snakes and Other Reptiles of Southern Africa (2nd ed.). Cape Town: Struik. ISBN 1868726193.
- Smith A (1849). Illustrations of the Zoology of South Africa; Consisting Chiefly of Figures and Descriptions of the Objects of Natural History Collected during an Expedition into the Interior of South Africa, in the Years 1834, 1835, and 1836; Fitted out by "The Cape of Good Hope Association for Exploring Central Africa:" Together with a Summary of African Zoology, and an Inquiry into the Geographical Ranges of Species in that Quarter of the Globe. [Volume III. Reptilia.] London: Lords Commissioners of her Majesty's Treasury. (Smith, Elder and Co., printers). Plates with unnumbered pages of text. (Geko wahlbergii, new species, Plate 75).