Twomey, E, and J.L. Brown. 2008. A partial revision of the Ameerega hahneli complex and a new cryptic species from the East- Andean versant of Central Peru. Zootaxa 1757: 49-65.
Twomey, E, and J.L. Brown. 2008. Spotted poison frogs: Rediscovery of a lost species and new genus (Anura: Dendrobatiade) from Northwestern Peru. Herpetologica 64: 121-137. PDF
Brown, J.L., E. Twomey, V. Morales, and K. Summers. Phytotelm size in relation to parental care and mating strategies in two species of Peruvian poison frogs. Behaviour (in press).
Twomey, E., V. Morales, and K. Summers. Evaluating condition-specific and asymmetric competition in a species-distribution context. Oikos (in press).
Roberts, J.L., J.L. Brown, R. Von May, R. Schulte, and K. Summers. 2006. Phylogenetic relationships among members of the genus Dendrobates: A molecular perspective. Herpetological Journal 16: 377-385. PDF
Roberts, J.L., J.L. Brown, R. Schulte, W. Arizabal, and K. Summers. 2006. Genetic divergence and speciation in lowland and montane Peruvian poison frogs. Journal of Molecular Phylogenetics and Evolution. 41:149-164. PDF
Roberts, J.L., J.L. Brown, R. Schulte, W. Arizabal, and K. Summers. 2006. Rapid diversification of colouration among populations of a poison frog isolated on sky peninsulas in the central cordilleras of Peru. Journal of Biogeography 34: 417-426. PDF
Brown, J.L., R. Schulte, and K. Summers. 2006. A new species of Dendrobates (Anura: Dendrobatidae) from the Amazonian Lowlands in Peru. Zootaxa 1152: 45-58 PDF
Twomey, E, and J.L. Brown. 2005. Range extension: Cochranella respendens Herpetological Review, 1 page.
Brown, J.L., and A.L. Vaughan. 2003) Species note: Arboreal Celestus. A field observation. Herpetological Review, 1 page. PDF
Wisenden, B.D., K.A. Vollbrecht, and J.L. Brown. 2002. Is there a fish alarm cue? Affirming evidence from the wild study. Animal Behavior 67: 59-67 PDF
Brown JL, and E. Twomey (in press). Ranitomeya imitator, R. fantastica, Ameerega bassleri. Species accounts in the book: Andean Poison Frogs. Conservation International.
Brown, J.L., and K. Siu Ting (in press). Ranitomeya uakarii and Ameerega cainrachi. Species accounts in the book: Andean Poison Frogs. Conservation International.
Twomey, E., J.L Brown, and J. Yeager (in press). Excidobates captivus. Species account in the book: Andean Poison Frogs. Conservation International.
Pepper, M., E. Twomey, and J.L. Brown. 2007. The smuggling crisis. Leaf Litter Magazine. Tree Walkers International. Spring 2007 Vol. 1.1 pp 5-7. PDF
Brown, J.L. 2007. Peru’s Tiny Gems. Photograph. National Geographic Magazine. April 2007. PDF
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