To request PDFs please email rbell (at) calacademy (dot) org

Boyette, Jack L., Bell, Rayna C., Fujita, Matthew K., Thomas, Kate, N., Streicher, Jeffrey W., Gower, David J., Schott, Ryan K. 2024. Diversity and molecular evolution of non-visual opsin genes across environmental, developmental, and morphological adaptations in frogs. Molecular Biology and Evolution (in press)

Rivera, Danielle, Henderson, Jim B., Lam, Athena W., Hostetter, Nathan, Collazo, Jaime, Bell, Rayna C. 2024. High-quality, chromosome-level reference genomes of the viviparous Caribbean skinks Spondylurus nitidus and S. culebrae. Genome Biology and Evolution (in press)

Jung, Catherine, Frederick, Jeffrey H., Graham, Natalie, R., Wang, Ian J., Fenton, C., de Queiroz, Kevein, Bell, Rayna C., Yuan, Michael L. 2024. Environmentally-associated color does not coincide with population structure across Lesser Antillean anoles. Biological Journal of the Linnean Society (in press)

Schott, Ryan K., Fuijta, Matthew K., Streicher, Jeffrey W., Gower, David J., Thomas, Kate N., Loew, Ellis R., Bamba Kaya, Abraham G., Bittencourt-Silva, Gabriella, Becker, C. Guilherme, Cisneros-Heredia, Diego, Clulow, Simon, Davila, Mateo, Doughty, Paul, Firneno, Thomas J., Haddad, Célio F.B., Janssenswillen, Sunita, Labisko, Jim, Maddock, Simon T., Mahony, Michael, Martins, Renato A., Michales, Christopher J., Mitchell, Nicola J., Portik, Daniel M., Prates, Ivan, Roelants, Kim, Roelke, Corey, Tobi, Elie, Woolfolk, Maya, Bell, Rayna C. 2024. Diversity and evolution of frog visual opsins: spectral tuning and adaptation to distinct light environments. Molecular Biology and Evolution 41(4): msae049.

Nguyen, John V., McLaughlin, Patrick J., Irian, Christian, Scheinberg, Lauren A., Bell, Rayna C. 2024. Diversity and distribution of reed frogs (Hyperolius spp.) on Bioko Island, Equatorial Guinea. The Herpetological Journal (in press)

Rivera, Danielle, Zegarra, Jan Paul, Puente-Rolon, Alberto R., Hernandez-Arocho, Nahíra, Hostetter, Nathan J., Collazo, Jaime, Bell, Rayna C. 2024. Multiple records of the parthenogenic Gymnophthalmus underwoodi in Puerto Rico. Reptiles and Amphibians 31: e21466

Marshall, Vanessa M., McLaughlin, Patrick J., Scheinberg, Lauren A., Irian, Christian, Bell, Rayna C., Becker, C. Guilherme. 2023. Fungal pathogen infection intensity is associated with reproductive mode and elevation in an afrotropical anuran community. The Herpetological Journal 33:103–110.

Yuan, Michael L., Jung, Catherine, Frederick, Jeffrey H., Fenton, Calvin, de Queiroz, Kevin, Cassius Jourdan, Williams, Rudell, Wang, Ian J., Bell, Rayna C. 2023. Parallel and non-parallel phenotypic responses to environmental variation across Lesser Antillean anoles. Evolution77(4): 1031–1042.

Mitra, Amartya T., Womack, Molly C., Gower, David J., Streicher, Jeffrey W., Clark, Brett, Bell, Rayna C., Schott, Ryan K., Fujita, Matthew K., Thomas, Kate N. 2022. Ocular lens morphology is influenced by ecology and metamorphosis in frogs and toads. Proceedings of the Royal Society B, Biological Sciences 289(1987): 20220767.

Thomas, Kate N., Rich, Caitlyn, Quock, Rachel, Streicher, Jeffrey W., Gower, David J., Schott, Ryan K., Fujita, Matthew K., Douglas, Ron H., Bell, Rayna C. 2022. Diversity and evolution of amphibian pupil shapes. Biological Journal of the Linnean Society 137(3): 434–449.

Schott, Ryan K., Bell, Rayna C., Loew, Ellis R., Thomas, Kate N., Gower, David J., Streicher, Jeffrey W., Fujita, Matthew K. 2022. Transcriptomic evidence for visual adaptation during the aquatic to terrestrial metamorphosis in leopard frogs. BMC Biology 20:138.

Yuan, Michael L., Frederick, Jeffery R., McGuire, Jimmy A., Bell, Rayna C., Smith, Struan R., Fenton, Calvin, Cassius, Jourdan, Williams, Rudell K., Wang, Ian J., Hedges, S. Blair. 2022. Endemism, invasion, and overseas dispersal: The evolutionary history of the Lesser Antillean frog, Eleutherodactylus johnstonei. Biological Invasions (in press).

Yuan, Michael L., Jung, Catherine, Bell, Rayna C., Nelson, Jessica L. 2022. Aposematic patterns shift continuously through the life of poison frogs. Journal of Zoology 317:241–248.

Campbell Grant, Evan H., Mulder, Kevin P., Brand, Adrianne B., Chambers, Douglas B., Wynn, Addison, Capshaw, Grace, Niemiller, Matthew L., Phillips, John G., Kuchta, Shawn R., Bell, Rayna C. 2022. Speciation with gene flow in a narrow endemic West Virginia cave salamander (Gyrinophilus subterraneus). Conservation Genetics 23:727–744.

Robertson, Jeanne M., Bell, Rayna C., Loew, Ellis R. 2022. Vision in dim light and the evolution of color pattern in a crepuscular/nocturnal frog. Evolutionary Ecology 36: 355–371.

Thomas, Kate N., Gower, David J., Streicher, Jeffrey W., Bell, Rayna C., Fujita, Matthew K., Schott, Ryan K., Liedtke, H. Christophe, Haddad, Célio F. B., Becker, C. Guillherme, Cox, Christian L., Martins, Rénato A., Douglas, Ron H. 2022. Ecological correlates of ocular lens transmission in frogs and salamanders. Functional Ecology 36(4):850–864.

Esposito, Lauren A., Daly, Marymegan, Fujita, Matthew K., Gorneau, Jacob A., Rapacciuolo, Giovanni, Rocha, Luiz, Scheinberg, Lauren A., Ware, Jessica, Welch, Corey K., Young, Alison, Bell, Rayna C. 2022 A new framework for assessing the contributions of professionals in the natural sciences. The Bulletin of the Society of Systematic Biologists 1(1):8332.

Jaynes, Kyle E., Myers, Edward A., Gvozdík, Václav, Blackburn, David C., Portik, Daniel M., Greenbaum, Eli, Jongsma, Gregor F.M., Rödel Mark-Oliver, Badjedjea, Gabriel, Bamba-Kaya, Abraham, Baptista, Ninda L., Akuboy, Jeannot B., Ernst, Raffael, Kouete, Marcel T., Kusamba, Chifundera, Masudi, Frank M., McLaughlin, Patrick J., Nneji, Lotanah M., Onadeko, Abiodun B., Penner, Johannes, Pinto, Pedro V., Stuart, Bryan L., Tobi, Elie, Zassi-Boulou, Ange-Ghislain, Leaché, Adam D., Fujita, Matthew K., Bell, Rayna C. 2022. Giant tree frog diversification in West and Central Africa: isolation by physical barriers, climate, and reproductive traits. Molecular Ecology 31(15):3979–3998.

Mulder, Keven P., Alarcón-Ríos, Lucía, Nicieza, Alfredo G., Fleischer, Robert C., Bell, Rayna C., Velo-Antón, Guillermo. 2022. Independent evolutionary transitions to pueriparity across multiple timescales in the viviparous genus Salamandra. Molecular Phylogenetics and Evolution 167: 107347.

O’Connell, Kyle A., Wynn, Addison, Mulder, Kevin P., de Queiroz, Kevin, Bell, Rayna C. 2022. Genomic library preparation and hybridization capture of formalin-fixed tissues and allozyme supernatant for population genomics and considerations for combining capture- and RADseq-based single nucleotide polymorphism data sets. Molecular Ecology Resources 22(2): 487–502.

Jaynes, Kyle E., Myers, Edward A., Drewes, Robert C., Bell, Rayna C. 2021. New evidence reinforces distinctiveness of the island-endemic Príncipe Giant Tree Frog, (Arthroleptidae: Leptopelis palmatus). The Herpetological Journal 31:162–169.

Huie, Jonathan M., Prates, Ivan, Bell, Rayna C., de Queiroz, Kevin. 2021. Convergent patterns of adaptive radiation between island and mainland Anolis lizards. Biological Journal of the Linnean Society 134(1): 85–110. https://doi.org/10.1093/biolinnean/blab072

Prates, Ivan, D’Angiolella, Annelise B., Rodrigues, Miguel T., Melo-Sampaio, Paulo R.,  de Queiroz, Kevin, Bell, Rayna C. 2021. Evolutionary drivers of sexual signal variation in Amazon Slender Anoles. Evolution 75(6)1361–1376. https://doi.org/10.1111/evo.14230

O’Connell, Kyle A., Prates, Ivan, Scheinberg, Lauren A., Mulder, Kevin P., Bell, Rayna C. 2021. Speciation and secondary contact in a fossorial island endemic, the São Tomé caecilian. Molecular Ecology 30(12):2859–2871. https://doi.org/10.1111/mec.15928 [resumo em portugues]

Shrimpton, Samuel, Streicher, Jeffrey, W., Gower, David J., Bell, Rayna C., Fujita, Matthew, K., Schott, Ryan K., Thomas, Kate, N. 2021. Eye-body allometry across biphasic ontogeny in anuran amphibians. Evolutionary Ecology 35: 337–359.

Thomas, Kate N., Gower, David J., Bell, Rayna C., Fujita, Matthew K., Schott, Ryan K., Streicher, Jeffrey W. 2020. Eye size and investment in frogs and toads correlates with adult habitat and breeding ecology. Proceedings of the Royal Society B, Biological Sciences 287(1935): 20201393.

Womack, Molly C., Bell, Rayna C. 2020. 200 million years of anuran body size evolution in relation to geography, ecology, and life history. Journal of Evolutionary Biology 33(10): 1417–1432.

Bell, Rayna C., Mulcahy, Daniel G., Gotte, Steve W., Maley, Abigail J., Mendoza, Cerrie, Steffensen, Gregory, Barron, Joseph C., Hyman, Oliver, Flint, William, Wynn, Addison, McDiarmid, Roy W., McLeod David S. 2020. The Type Locality Project: collecting  genomic-quality, topotypic vouchers and training the next generation of specimen-based researchers. Systematics & Biodiversity 18:6, 557–572.

Zimkus, Breda M., Baláz, Vojtech, Belasen, Anat M., Bell, Rayna C., Channing, Alan, Doumbia, Joseph, Fokam, Eric B., Gonwouo, LeGrand N., Greenbaum, Eli, Gvozdík, Václav, Hirschfeld, Mareike, Jackson, Kate, James, Timothy Y., Kusamba, Chifundera, Larson, Joanna G., Mavoungou, Lise-Bethy, Rödel, Mark-Oliver, Zassi-Boulou, Ange-Ghislain, Penner, Johannes. 2020. Chytrid pathogen (Batrachochytrium dendrobatidis) in African amphibians: a continental analysis of occurrences and modeling of its potential distribution. Herpetologica 76(2): 201–215. https://doi.org/10.1655/HERPETOLOGICA-D-19-00058

Bell, Rayna C., McLaughlin, Patrick J., Jongsma Gregory F.M., Blackburn, David C., Stuart, Bryan L. 2019. Morphological and genetic variation of Leptopelis brevirostris encompasses the little-known treefrogs Leptopelis crystallinoron from Gabon and Leptopelis brevipes from Bioko Island, Equatorial Guinea. African Journal of Herpetology 68(2): 91-117. doi.org/10.1080/21564574.2019.1681523

Leaché, Adam D., Portik, Daniel M, Rivera, Danielle, Rödel, Mark-Oliver, Penner, Johannes, Gvozdík, Václav, Greenbaum, Eli, Jongsma, Gregory F.M., Ofori-Boateng, Caleb, Burger, Marius, Eniang, Edem A., Bell, Rayna C., Fujita, Mathew K. 2019. Exploring rainforest diversification using demographic model testing in the African foam-nest treefrog (Chiromantis rufescens). Journal of Biogeography 46(12): 2706-2721. doi.org/10.1111/jbi.13716

Byrne, Allison Q., Vredenburg, Vance T., Martel, An, Pasmans, Frank, Bell, Rayna C., Blackburn, David C., Bletz, Molly C., Bosch, Jamie, Briggs, Cheryl J., Brown, Rafe M., Catenazzi, Alessandro, Familiar López, Mariel, Figueroa-Valenzuela, Raul, Ghose, Sonia L., Jaeger, Jef R., Jani, Andrea J., Jirku, Miloslav, Knapp, Roland A., Muñoz, Antonio, Portik, Daniel M., Richards-Zawacki Corinne L., Rockney Heidi, Rovito, Sean M., Stark, Tariq, Sulaeman, Hasan, Tao, Nguyen Thien, Voyles, Jamie, Waddle, Anthony W., Yuan, Zhiyong, Rosenblum, Erica Bree. 2019. Cryptic diversity of a widespread pathogen reveals new threats for amphibian conservation. Proceedings of the National Academy of Sciences, USA 116: 20382–20387. doi.org/10.1073/pnas.1908289116

Bell, Rayna C., Irian, Christian G. 2019. Phenotypic and genetic divergence in reed frogs across a mosaic hybrid zone on São Tomé Island. Biological Journal of the Linnean Society 128: 672–680. doi.org/10.1093/biolinnean/blz131 [resumo em portugues]

Portik, Daniel M., Bell, Rayna C., Blackburn, David C., Bauer, Aaron M., Barratt, Christopher D., Branch, William R., Burger, Marius, Channing, Alan, Colston, Timothy J., Conradie, Werner , Dehlin, J. Maximilian, Drewes, Robert C, Ernst, Raffael, Greenbaum, Eli, Gvozdík, Václav, Harvey, James, Hillers, Annika, Hirschfeld, Mareike, Jongsma, Gregory F.M., Kielgast, Jos, Kouete, Marcel T., Lawson, Lucinda P, Leaché, Adam D., Loader, Simon P., Lötters, Steffan, van der Meijden, Arie, Menegon, Michele, Müller, Susanne, Nagy, Zoltan T., Ofori-Boateng, Caleb, Ohler, Annemarie, Papenfuss, Theodore J., Rößler, Daniella, Sinsch, Ulrich, Rödel, Mark-Oliver, Veith, Michael, Vindum, Jens, Zassi-Boulou, Ange-Ghislain, McGuire, Jimmy A. 2019. Sexual dichromatism drives diversification within a major radiation of African amphibians. Systematic Biology 68: 859–875. doi.org/10.1093/sysbio/syz023

Charles, Kristin L., Bell, Rayna C., Blackburn, David C., Burger, Marius, Fujita, Matthew K., Jongsma, Gregory F.M., Leaché, Adam D., Portik, Daniel M. 2018. Sky, land-bridge, and forest islands: diversification in the African leaf-folding frog Afrixalus paradorsalis (Anura: Hyperoliidae) of Lower Guinea. Journal of Biogeography 45: 1781-1794. doi:10.1111/jbi.13365

Willis, Amy, Bell, Rayna C. 2018. Uncertainty in phylogenetic tree estimates. Journal of Computational and Graphical Statistics 27(3): 542-552. doi:10.1080/10618600.2017.1391697

Gilbert, Cassandra M., Bell, Rayna C. 2018. Evolution of advertisement calls in an island radiation of African reed frogs. Biological Journal of the Linnean Society 123:1-11. doi:10.1093/biolinnean/blx129 [resumo em portugues]

Bell, Rayna C., Webster, Grant N. and Whiting, Martin J. 2017. Breeding biology and the evolution of dynamic sexual dichromatism in frogs. Journal of Evolutionary Biology 30:2104-2115. doi:10.1111/jeb.13170

Hydeman, Marina E., Longo, Ana V., Velo-Antón, Guillermo, Rodriguez, David, Zamudio, Kelly R., Bell Rayna C. 2017. Prevalence and genetic diversity of Batrachochytrium dendrobatidis in Central African island and continental amphibian communities. Ecology and Evolution 7:7729–7738. doi:10.1002/ece3.3309 [resumo em portugues]

Bell, Rayna C., Parra, Juan L., Badjedjea, Gabriel , Barej, Michael F., Blackburn, David C., Burger, Marius, Channing, Alan, Dehling, J. Maximilian, Greenbaum, Eli, Gvozdík, Václav, Kielgast, Jos, Kusamba, Chifundera, Lötters, Stefan, McLaughlin, Patrick J., Nagy, Zoltan T., Rödel, Mark-Oliver, Portik, Daniel M., Stuart, Bryan L., VanDerWal, Jeremy, Zassi-Boulu, Ange Ghislain, Zamudio, Kelly R. 2017. Idiosyncratic responses to climate-driven forest fragmentation and marine incursions in reed frogs from Central Africa and the Gulf of Guinea Islands. Molecular Ecology 26:5223-5244.  doi:10.1111/mec.14260

Fritch, Ethan J., Bell, Rayna C., Stuart, Bryan L., Lentz, Thomas B. 2017. Status of Frog Virus 3-like Ranavirus in anurans of two national parks in Gabon. Herpetological Review 48(3):561-563.

Zamudio, Kelly R., Bell, Rayna C. Mason, Nicholas A. 2016. Phenotypes in phylogeography: Species’ traits, environmental variation, and vertebrate diversification. Proceedings of the National Academy of Sciences of the United States of America, 113(29): 8041-8048. doi:10.1073/pnas.1602237113

Zamudio, Kelly R., Bell, Rayna C., Nali, Renato C., Haddad, Cé and Prado, Cynthia P. A. 2016. Polyandry, Predation, and the Evolution of Frog Reproductive Modes. The American Naturalist, 188: S41-S61. doi:10.1086/687547

Bell, Rayna C., Scheinberg, Lauren A. 2016. Hyperolius molleri (Moller’s Reed Frog) and Phrynobatrachus dispar (Peters’ River Frog). Heterospecific amplexus. Herpetological Review, 47(1): 109

Bell, Rayna C. 2016. A New Species of Hyperolius (Amphibia: Hyperoliidae) from Príncipe Island, Democratic Republic of São Tomé and Príncipe. Herpetologica, 72(4): 343-351. doi:10.1655/Herpetologica-D-16-00008.1

Bell, Rayna C., Drewes, Robert C., Channing, Alan, Gvoždík, Václav, Kielgast, Jos, Lötters, Stefan, Stuart, Bryan L., Zamudio, Kelly R. 2015. Overseas dispersal of Hyperolius reed frogs from Central Africa to the oceanic islands of São Tomé and Príncipe. Journal of Biogeography, 42(1): 65-75. doi:10.1111/jbi.12412 [resumo em portugues]

Bell, Rayna C., Drewes, Robert C., Zamudio, Kelly R. 2015. Reed frog diversification in the Gulf of Guinea: Overseas dispersal, the progression rule, and speciation. Evolution, 69(4): 904-915. doi:10.1111/evo.12623 [resumo em portugues]

Barej, Michael F., Rödel, Mark-Oliver, Loader, Simon P., Menegon, Michele, Gonwouo, Nono L., Penner, Johannes, Gvoždík, Václav, Günther, Rainer, Bell, Rayna C., Nagel, Peter, Schmitz, Andreas 2014. Light shines through the spindrift – Phylogeny of African torrent frogs (Amphibia, Anura, Petropedetidae). Molecular phylogenetics and evolution, 71: 261-273. doi:10.1016/j.ympev.2013.11.001

Titus, Valorie R., Bell, Rayna C., Becker, C. G., Zamudio, Kelly R. 2014. Connectivity and gene flow among Eastern Tiger Salamander (Ambystoma tigrinum) populations in highly modified anthropogenic landscapes. Conservation Genetics, 15(6): 1447-1462. doi:10.1007/s10592-014-0629-5

Hydeman, Marina E., Bell, Rayna C., Drewes, Robert C., Zamudio, Kelly R. 2013. Amphibian chytrid fungus confirmed in endemic frogs and caecilians on the island of São Tomé, Africa. Herpetological Review, 44: 254-257.

Bell, Rayna C., Belmaker, Amos, Couch, Courtney S., Marchetto, Katherine M., Simonis, Joseph L., Thomas, R. Q., Sparks, Jed P., Brown, Julia M., Francisco, Kainana S., Manuel, Mark E. 2013. Effectiveness of Erythrina gall wasp biocontrol and implications for the recovery of threatened Wiliwili trees (Fabaceae: Erythrina sandwicensis) 1. The Journal of the Torrey Botanical Society, 140(2): 215-224. doi:10.3159/TORREY-D-12-00069.1

Bell, Rayna C., MacKenzie, Jason B., Hickerson, Michael J., Chavarria, Krystle L., Cunningham, Michael, Williams, Stephen E., Moritz, Craig 2012. Comparative multi-locus phylogeography confirms multiple vicariance events in co-distributed rainforest frogs. Proceedings of the Royal Society B: Biological Sciences, 279(1730): 991-999. doi:10.1098/rspb.2011.1229

Bell, Rayna C., Brasileiro, Cinthia A., Haddad, Célio F.B., Zamudio, Kelly R. 2012. Evolutionary history of Scinax treefrogs on land-bridge islands in south-eastern Brazil. Journal of Biogeography, 39(9): 1733-1742. doi:10.1111/j.1365-2699.2012.02708.x

deCarvalho, Tagide N., Fergus, Daniel J., Bell, Rayna C., Shaw, Kerry L. 2012. Rhythmic male reproductive behavior controls timing of courtship and mating in Laupala cerasina. Behavioral Ecology and Sociobiology, 66(9): 1333-1340. doi:10.1007/s00265-012-1388-2

Bell, Rayna C., Zamudio, Kelly R. 2012. Sexual dichromatism in frogs: natural selection, sexual selection and unexpected diversity. Proceedings of the Royal Society B: Biological Sciences, 279(1748): 4687-4693. doi:10.1098/rspb.2012.1609

Bell, Rayna C., Gata Garcia, Adriana V., Stuart, Bryan L., Zamudio, Kelly R. 2011. High Prevalence of the Amphibian Chytrid Pathogen in Gabon. EcoHealth, 8(1): 116-120. doi:10.1007/s10393-010-0364-4

Bell, Rayna C., Parra, Juan L., Tonione, Maria, Hoskin, Conrad J., Mackenzie, Jason B., Williams, Stephen E., Moritz, Craig 2010. Patterns of persistence and isolation indicate resilience to climate change in montane rainforest lizards. Molecular ecology, 19(12): 2531-2544. doi:10.1111/j.1365-294X.2010.04676.x

Book Chapters:

Rödel, Mark-Oliver, Adum, Gilbert B., Aruna, Edward, Assemian, N. Emmanuel, Barej, Michael F., Bell, Rayna C., Doherty-Bone, Thomas, Burger, Marius, Doumbia, Joseph, Ernst, Raffael, Gonwouo, Nono L., Hillers, Annika, Hirschfeld, Mareike, Jongsma, Gregory F.M., Kouamé, N’Goran G., Kpan, T.Flora, Mohneke, Meike, Nago, Gilles A., Ofori-Boateng, Caleb, Onadeko, Abiodun, Pauwels, Olivier S.G., Sandberger-Loua, Laura, Segniagbeto, Gabriel H., Tchassem, A.M. Fokoua, Tobi, Elie, Tohé, Blayda, Zimkus, Breda M., Penner, Johannes. 2021. Diversity, threats and conservation of western and central African amphibians. Edition Chimaira, Frankfurt, pp 11­–101.

Bell, Rayna C., Scheinberg, Lauren A. 2020. The collectors: beginnings of scientific inquiry and the lasting impacts of living and museum collections. In Galapagos Giant Tortoises, J.P. Gibbs and L. Cayot, eds.

Banner photo: Hyperolius thomensis. These colorful reed frogs are endemic to São Tomé Island and breed in water-filled tree hole cavities (photo by Andrew Stanbridge).