Trioceros johnstoni
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Trioceros johnstoni, known commonly as Johnston's chameleon, Johnston's three-horned chameleon, and the Ruwenzori three-horned chameleon, is a species of chameleon, a lizard in the family Chamaeleonidae.[1] The species is endemic to highlands in the Albertine Rift in central Africa.[2] It reaches up to Template:Cvt in total length (including tail). Only the adult male has three horns. The female is hornless.[3]
Taxonomy and etymology
The three long annulated horns in the male T. johnstoni makes it superficially similar to T. jacksonii and T. werneri, and to an extent also to the short-horned T. fuelleborni and the smooth-horned T. oweni,[3] but they are not close relatives.[4] Its nearest relative is the hornless T. ituriensis.[4]
The specific name johnstoni was given in honour of the British explorer Harry Johnston.[5][6]
Distribution and habitat
T. johnstoni is found in forests at altitudes between Template:Cvt in the Albertine Rift of eastern Democratic Republic of the Congo, western Burundi, western Rwanda, and southwestern Uganda, but also tolerates semi-urbanized environments as long as some trees and bushes remain.[2]
Behaviour
Males of T. johnstoni are fiercely territorial and readily will fight other males, using their horns and biting.[3]
Reproduction
T. johnstoni is oviparous, with the female laying 4–23 eggs per clutch.[4]
References
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- ↑ Script error: No such module "Citation/CS1". (Chamæleon johnstoni, new species, p. 136 + Plate XIII).
- ↑ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. Template:ISBN. (Trioceros johnstoni, p. 135).
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Further reading
- Spawls S, Howell K, Hinkel H, Menegon M (2018). A Field Guide to East African Reptiles, Second Edition. London: Bloomsbury Wildlife. 624 pp. Template:ISBN. (Trioceros johnstoni, pp. 293–294).
- Tilbury CR, Tolley KA (2009). "A re-appraisal of the systematics of the African genus Chamaeleo (Reptilia: Chamaeleonidae)". Zootaxa 2079: 57–68. (Trioceros johnstoni, new combination).