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Episode 30 of 107

030 Attack of the Toxic Toads

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Generally speaking, toads are laid back, easy-going creatures. But every so often a species will find itself an invader in a new land and wreak total havoc. We discuss one such toad (but not necessarily the one you might think). Of course there is a toad which is brand new to science as well, in our Species of the Bi-Week. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com 

Main Paper References:
Moore, M, JFSN Fidy, and D Edmonds. 2015. “The New Toad in Town: Distribution of the Asian Toad, Duttaphrynus Melanostictus, in the Toamasina Area of Eastern Madagascar.” Tropical Conservation Science 8 (2): 440–55.
Marshall, BM, NR Casewell, M Vences, F Glaw, F Andreone, A Rakotoarison, G Zancolli, F Woog, and W Wüster. 2018. “Widespread Vulnerability of Malagasy Predators to the Toxins of an Introduced Toad.” Current Biology 28 (11): R654–55.
Species of the Bi-Week:
Landestoy T., MA, DB Turner, AB Marion, and SB Hedges. 2018. “A New Species of Caribbean Toad (Bufonidae, Peltophryne) from Southern Hispaniola.” Zootaxa 4403 (3): 523.
Other Mentioned Papers/Studies:
Brown, GP, BL Phillips, JK Webb, and R Shine. 2006. “Toad on the Road: Use of Roads as Dispersal Corridors by Cane Toads (Bufo marinus) at an Invasion Front in Tropical Australia.” Biological Conservation 133 (1): 88–94.
Feit, B, CE Gordon, JK Webb, TS Jessop, SW Laffan, T Dempster, and M Letnic. 2018. “Invasive Cane Toads Might Initiate Cascades of Direct and Indirect Effects in a Terrestrial Ecosystem.” Biological Invasions. Springer International Publishing, 1–15.
Jenkins, RKB, A Rabearivelo, CT Chan, WM Andre, R Randrianavelona, and JC Randrianantoandro. 2009. “The Harvest of Endemic Amphibians for Food in Eastern Madagascar.” Tropical Conservation Science 2 (1): 25–33.
Kelly, E, and BL Phillips. 2018. “Targeted Gene Flow and Rapid Adaptation in an Endangered Marsupial.” Conservation Biology, June.
Kuo, H-Y, C-W Hsu, J-H Chen, Y-L Wu, and Y-S Shen. 2007. “Life-Threatening Episode after Ingestion of Toad Eggs: A Case Report with Literature Review.” Emergancy Medecine Journal 24 (3): 215–16.
Llewelyn, J, K Bell, L Schwarzkopf, RA Alford, and R Shine. 2012. “Ontogenetic Shifts in a Prey’s Chemical Defences Influence Feeding Responses of a Snake Predator.” Oecologia 169 (4): 965–73.
O’Shea, M, A Kathriner, S Mecke, C Sanchez, and H Kaiser. 2013. “‘Fantastic Voyage’: A Live Blindsnake (Ramphotyphlops Braminus) Journeys through the Gastrointestinal System of a Toad (Duttaphrynus melanostictus).” Herpetology Notes 6 (1): 467–70.
Mohammadi, S, Z Gompert, J Gonzalez, H Takeuchi, A Mori, and AH Savitzky. 2016. “Toxin-Resistant Isoforms of Na+/K+-ATPase in Snakes Do Not Closely Track Dietary Specialization on Toads.” Proceedings of the Royal Society B: Biological Sciences 283: 20162111.
Phillips, BL, and R Shine. 2004. “Adapting to an Invasive Species: Toxic Cane Toads Induce Morphological Change in Australian Snakes.” Proceedings of the National Academy of Sciences of the United States of America 101 (49): 17150–55.
Pramuk, JB, T Robertson, JW Sites, and BP Noonan. 2008. “Around the World in 10 Million Years: Biogeography of the Nearly Cosmopolitan True Toads (Anura: Bufonidae).” Global Ecology and Biogeography 17 (1): 72–83.
Reardon, J. T., Kraus, F., Moore, M., Rabenantenaina, L., Rabinivo, A., Rakotoarisoa, N. H., & Randrianasolo, H. H. (2018). Testing tools for eradicating the invasive toad Duttaphrynus melanostictus in Madagascar. Conservation Evidence 15, 12-19.
Ujvari, B, HC Mun, AD Conigrave, A Bray, J Osterkamp, P Halling, and T Madsen. 2013. “Isolation Breeds Naivety: Island Living Robs Australian Varanid Lizards of Toad-Toxin Immunity via Four-Base-Pair Mutation.” Evolution 67 (1): 289–94.
Ujvari, B, H Mun, AD Conigrave, C Ciofi, and T Madsen. 2014. “Invasive Toxic Prey May Imperil the Survival of an Iconic Giant Lizard, the Komodo Dragon.” Pacific Conservation Biology 20 (4): 363–65.
Ujvari, B, NR Casewell, K Sunagar, K Arbuckle, W Wüster, N Lo, D O’Meally, et al. 2015. “Widespread Convergence in Toxin Resistance by Predictable Molecular Evolution.” Proceedings of the National Academy of Sciences 112 (38): 11911–11916.
Vences, M, JL Brown, A Lathrop, GM Rosa, A Cameron, A Crottini, R Dolch, et al. 2017. “Tracing a Toad Invasion: Lack of Mitochondrial DNA Variation, Haplotype Origins, and Potential Distribution of Introduced Duttaphrynus melanostictus in Madagascar.” Amphibia-Reptilia 38 (2): 197–207.
Wogan, GOU, BL Stuart, DT Iskandar, and JA McGuire. 2016. “Deep Genetic Structure and Ecological Divergence in a Widespread Human Commensal Toad.” Biology Letters 12 (1): 20150807.
Other Links/Mentions:
CrocFest - www.crocfest.org
Music:
Intro/outro – Treehouse by Ed Nelson
Other Music – The