REFERENCES

Alcala, A.C. 1986. Guide to Philippine flora and fauna. Vol X, amphibians and reptiles. Manila: Natural Resource Management Center, Ministry of Natural Resource Management Center, Ministry of Natural Resources and the University of the Philippines. 195 p.

Binaday J.W.B., Amarga, A.K.S., Barrameda Jr., E.S., & Bonagua, B.J.M., 2017. Amphibians and Reptiles in the Vicinity of Bulusan Lake, Bulusan Volcano Natural Park, Sorsogon, Philippines. Philippine Journal of Science 146 (3): 339-351

Brown, R.M., Oliveros C.H., Siler, C.D., Fernandez, J.B., Welton, L.J., Buenavente, P.A.C., Diesmos, M.L.L., & Diesmos, A.C., 2012. Amphibians and Reptiles of Luzon Island (Philippines), VII: Herpetofauna of Ilocos Norte Province, Northern Cordillera Mountain Range. Check List 8(3): 469-490

Koch, A., Gaulke, M., Bohme, W., 2010. Unravelling the underestimated diversity of Philippine water monitor lizards (Squamata: Varanus salvator complex), with the description of two new species and a new subspecies. Zootaxa 2446: 1–54

Welton, L.J., Siler, C.D., Oaks, J.R., Diesmos A.C., & Brown, R.M. 2013. Multilocus phylogeny and Bayesian estimates of species boundaries reveal hidden evolutionary relationships and cryptic diversity in Southeast Asian monitor lizards. Molecular Ecology 22, 3495–3510

Welton, L.J., Travers, S.L., Siler C.D., & Brown, R.M. 2014. Integrative taxonomy and phylogeny-based species delimitation of Philippine water monitor lizards (Varanus salvator Complex) with descriptions of two new cryptic species. Zootaxa 3881 (3): 201–227