Kinyongia vanheygeni, the Poroto single-horned chameleon or Van Heygen's chameleon, is a species of chameleon, a lizard in the family Chamaeleonidae.
Geographic range Kinyongia vanheygeni is native to highland forests in the Rungwe and Poroto Mountains of southern Tanzania and northern Malawi.
Etymology Kinyongia vanheygeni was named after Belgian herpetologist Emmanuel Van Heygen,Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (Kinyongia vanheygeni, p. 272). who took the first pictures of it in the wild.
References
Further reading Nečas P (2009). "Ein neues Chamäleon der Gattung Kinyongia Tilbury, Tolley & Branch 2006 aus den Poroto-Bergen Süd-Tansania (Reptilia: Sauria: Chamaeleonidae) [= A new chameleon of the genus Kinyongia Tilbury, Tolley & Branch 2006 from the Poroto Mountains, southern Tanzania (Reptilia: Sauria: Chamaeleonidae)]". Sauria 31 (2): 41–48. (Kinyongia vanheygeni, new species). (in German).