Publications


2017

Glorioso, B. M., J. H. Waddle, and C. L. Richards-Zawacki. 2017. Prevalence of Batrachochytrium dendrobatidis and B. salamandrivorans in the Gulf Coast Waterdog, Necturus beyeri, from Southeast Louisiana, USA. Herpetological Review 48:360-363. PDF

Sonn, J. M., S. Berman, and C. L. Richards-Zawacki. 2017. The influence of temperature on chytridiomycosis in vivo. EcoHealth.

2016

Crothers, L., R. A. Saporito, J. Yeager, K. Lynch, C. Friesen, C. L. Richards-Zawacki, K. McGraw, and M. Cummings. 2016. Warning signal properties covary with toxicity but not testosterone or aggregate carotenoids in a poison frog. Evolutionary Ecology 30:601-612. PDF

Dugas, M. B., M. P. Moore, A. R. Martin, C. L. Richards-Zawacki, and C. G. Sprehn. 2016. The pay-offs of maternal care increase as offspring develop, favouring extended provisioning in an egg-feeding frog. Journal of Evolutionary Biology 29:1977-1985. PDF

Dugas, M. B., C. N. WamelinkA. M. Killius, and C. L. Richards-Zawacki. 2016. Parental care is beneficial for offspring, costly for mothers, and limited by family size in an egg-feeding frog. Behavioral Ecology 27:476–483. PDF

Gratwicke, B. et al. 2016. Evaluating the probability of avoiding disease-related extinctions of Panamanian amphibians through captive breeding programs. Animal Conservation 19:324-336. PDF

Yang, Y., C. L. Richards-Zawacki, A. Devar, and M. B. Dugas. 2016. Poison frog color morphs express assortative mate preferences in allopatry but not sympatry. Evolution 70:2778-2788. PDF

2015

Brannelly, L. A., T. A. McMahon, M. Hinton, D. Lenger, and C. L. Richards-Zawacki. 2015. Batrachochytrium dendrobatidis in natural and farmed Louisiana crayfish populations: prevalence and implications. Diseases of Aquatic Organisms 112:229-235. PDF

Dugas, M. B. and C. L. Richards-Zawacki. 2015. A captive breeding experiment reveals no evidence of reproductive isolation among lineages of a polymophic poison frog. Biological Journal of the Linnean Society 116:52-62. PDF

Dugas, M. B. and C. L. Richards-Zawacki. 2015. Conspicuous and cryptic morphs of a polytypic poison frog differ in reproductive output because of differences in tadpole performance, not parental effort. Ethology, Ecology and Evolution, online early. PDF

Dugas, M. B., S. R. Halbrook, A. M. Killius, J. F. del Sol, and C. L. Richards-Zawacki. 2015. Color and escape behavior in polymorphic populations of an aposematic poison frog. Ethology 121:813-822. PDF

Dugas, M. B., M. P. Moore, C. N. Wamelink, C. L. Richards-Zawacki, and R. A. Martin. 2015. An experimental test for age-related improvements in reproductive performance in a frog that cares for its young. Naturwissenschaften 102:48. PDF

Dugas, M. B., C. N. Wamelink, and C. L. Richards-Zawacki. 2015. Both sexes pay a cost for reproduction in a frog with biparental care. Biological Journal of the Linnean Society 115:211-219. PDF

McCaffery, R., C. L. Richards-Zawacki, and K. R. Lips. 2015. The demography of Atelopus decline: harlequin frog survival and abundance in Central Panama prior to and during a disease outbreak. Global Ecology and Conservation 4:232-242. PDF

2014

Becker, M. H., C. L. Richards-Zawacki, B. Gratwicke, and L. K. Belden. 2014. The effect of captivity on the skin microbial community of the critically endangered Panamanian golden frog (Atelopus zeteki). Biological Conservation 176:199-206. PDF

Drabeck, D. H., M. W. H. Chatfield, and C. L. Richards-Zawacki. 2014. The status of Louisiana’s diamondback terrapin (Malaclemys terrapin) populations in the wake of the Deepwater Horrizon oil spill: Insights from population genetic and contaminant analyses. Journal of Herpetology 48:125-136. PDF

Killius, A. M. and M. B. Dugas. 2014. Tadpole transport by male Oophaga pumilio (Anura: Dendrobatidae): An observation and brief review. Herpetology Notes 7:747-749. PDF

Lenger, D. R., J. K. Berkey, and M. B. Dugas. 2014. Predation on the toxic Oophaga pumilio (Anura: Dendrobatidae) by Rhadinaea decorata (Squamata: Collubridae). Herpetology Notes 7:83-84. PDF

Perez, R., C. L. Richards-Zawacki, A. R. Krohn, M. Robak, E. Griffith, H. Ross, B. Gratwicke, R. Ibanez, and J. Voyles. 2014. Field surveys in Western Panama indicate populations of Atelopus varius frogs are persisting in regions where Batrachochytrium dendrobatidis is now endemic.Amphibian and Reptile Conservation 8:30-35. PDF

2013

Brannelly, L. A., M. W. H. Chatfield, and C. L. Richards-Zawacki. 2013. Visual implant elastomer (VIE) tags are an unreliable method of identification in adult anurans. Herpetological Journal 23:125-129. PDF

Chatfield, M. W. H., L. A. Brannelly, M. J. Robak, L. Freeborn, S. Lailvaux, and C. L. Richards-Zawacki. 2013. Fitness consequences of infection by Batrachochytrium dendrobatidis in Northern Leopard Frogs (Lithobates pipiens). EcoHealth 10:90-98. PDF

Dugas, M. B., J. Yeager, and C. L. Richards-Zawacki. 2013. Carotenoid supplementation enhances reproductive success in captive strawberry poison frogs. Zoo Biology 32:655-658. PDF

McMahon, T. A., L. A. Brannelly, M. W. H. Chatfield, P. T. J. Johnson, M. B. Joseph, V. J. McKenzie, C. L. Richards-Zawacki, M. D. Venesky, and J. R. Rohr. 2013. The chytrid fungus, Batrachochytrium dendrobatidis, has non-amphibian hosts and releases chemicals that cause pathology in the absence of infection. Proceedings of the National Academy of Science, USA, 110:210-215. PDF

Richards-Zawacki, C. L., J. Yeager, and H. P. S. Bart. 2013. No evidence for differential survival or predation between sympatric color morphs of an aposematic poison frog. Evolutionary Ecology 27:783-795. PDF

2012

Brannelly, L. A., M. W. H. Chatfield, and C. L. Richards-Zawacki. 2012. Field and laboratory studies of the susceptibility of the green treefrog (Hyla cinerea) to Batrachochytrium dendrobatidis infection. PLoS One 7:e38473. PDF

Brannelly, L. A., C. L. Richards-Zawacki, and A. P. Pessier. 2012. Clinical trials with itraconazole as a treatment for chytrid fungal infections in amphibians. Diseases of Aquatic Organisms 101:95-104. PDF

Chatfield, M. W. H., P. Moler, and C. L. Richards-Zawacki. 2012. The amphibian chytrid fungus, Batrachochytrium dendrobatidis, in fully aquatic salamanders from the Southeastern United States. PLoS One 7:e44821. PDF

Richards-Zawacki, C. L., I. J. Wang, and K. Summers. 2012. Mate choice and the genetic basis for color variation in a polymorphic dart frog: Inferences from a wild pedigree. Molecular Ecology 21:3879-3892. PDF

2011

Arch, V. S., C. L. Richards-Zawacki, and A. S. Feng. 2011. Acoustic communication in the Kihansi Spray Toad (Nectophrynoides asperginis): Insights from a captive population. Journal of Herpetology 45:45-49. PDF

Chatfield, W. M. H. and C. L. Richards-Zawacki. 2011. Elevated temperature as a treatment for Batrachochytrium dendrobatidis infection in captive frogs. Diseases of Aquatic Organisms 94:235-238. PDF

Richards-Zawacki, C. L. and M. E. Cummings. 2011. Intraspecific reproductive character displacement in a polymorphic poison dart frog, Dendrobates pumilio. Evolution 65:259-267. PDF

Schulte, L. M., J. Yeager, R. Schulte, M. Veith, P. Werner, L. A. Beck, and S. Lotters. 2011. The smell of success: choice of larval rearing sites by means of chemical cues in a Peruvian poison frog. Animal Behaviour 81:1147-1154. PDF

Yeager, J., C. Wooten, and K. Summers. 2011. A new technique for the production of large numbers of clay models for field studies of predation. Herpetological Review 42:357-359. PDF

2010

Chatfield, M. W. H., K. H. Kozak, B. M. Fitzpatrick, and P. K. Tucker. 2010. Patterns of differential introgression in a salamander hybrid zone: inferences from genetic data and ecological niche modelling. Molecular Ecology 19:4265-4282. PDF

Richards-Zawacki, C. L. 2010. Thermoregulatory behavior affects prevalence of chytrid fungal infection in a wild population of Panamanian golden frogs. Proceedings of the Royal Society of London, Ser. B., 277:519-528. PDF

2009

Chatfield, M. W. H., B. B. Rothermel, C. S. Brooks, and J. B. Kay. 2009. Detection of Batrachochytrium dendrobatidis in amphibians from the Great Smoky Mountains of North Carolina and Tennessee, USA. Herpetological Review 40:176-179. PDF

Richards-Zawacki, C. L. 2009. Effects of slope and riparian habitat connectivity on gene flow in an endangered Panamanian frog, Atelopus varius. Diversity and Distributions 15:796-806. PDF

2008

Lehtinen, R. M., Y-C. Kam, and C. L. Richards. 2008. Preliminary surveys for Batrachochytrium dendrobatidis in Taiwan. Herpetological Review 39:317-318. PDF

Richards, C. L., A. J. Zellmer, and L. M. Martens. 2008. Batrachochytrium dendrobatidis not detected in Oophaga pumilio on Bastimentos Island, Panama. Herpetological Review 39:200-202. PDF

Zellmer, A. J., C. L. Richards, and L. M. Martens. 2008. Low prevalence of Batrachochytrium dendrobatidis across Rana sylvatica populations in Southeastern Michigan. Herpetological Review 39:196-199. PDF

2007

Carstens, B. C. and C. L. Richards. 2007. Integrating coalescent and ecological niche modeling in comparative phylogeography. Evolution 61:1439-1454. PDF

Karraker, N. E., C. L. Richards, and H. L. Ross. 2006. Observations on the reproductive ecology of Atelopus zeteki and comparisons to other members of the genus. Herpetological Review 37:284-288. PDF

Richards, C. L. and L. L. Knowles. 2007. Tests of phenotypic and genetic concordance and their application to the conservation of Panamanian golden frogs (Anura, Bufonidae). Molecular Ecology 16:3119-3133. PDF

Richards, C. L., B. C. Carstens, and L. L. Knowles. 2007. Distribution modelling and statistical phylogeography: An integrative framework for generating and testing alternative biogeographic hypotheses. Journal of Biogeography 34:1833-1845. PDF

2006

Karraker, N. E., C. L. Richards, and H. L. Ross. 2006. Observations on the reproductive ecology of Atelopus zeteki and comparisons to other members of the genus. Herpetological Review 37:284-288. PDF

Richards, C. L. 2006. Has the evolution of complexity in the amphibian papilla influenced anuran speciation rates? Journal of Evolutionary Biology 19:1222-1230. PDF

Richards, C. L., N. E. Karraker, E. J. Griffith, and R. G. Robbins. 2006. Atelopus varius(Variable Harlequin Frog) and Atelopus zeteki (Panamanian Golden Frog) ectoparasites. Herpetological Review 37:332-333. PDF

Zippel, K. C., R. D. Ibanez, E. D. Lindquist, C. L. Richards, C. A. Jaramillo A., and E. J. Griffith. 2006. Implicaciones en la conservacion de las ranas doradas de Panamá, asociadas a su revisión taxonomica. Herpetotropicos 3:29-39. PDF

2005

Knowles, L. L. and C. L. Richards. 2005. Importance of genetic drift during Pleistocene divergence as revealed by analyses of genomic variation. Molecular Ecology 14:4023-4032. PDF