Herpetological Highlights

This bi-week we are talking about some underwater cannibals, with a very stylish new species of salamander thrown in too. We also answer a patreon question about arboreal snakes, and how they avoid blood rushing out of their heads.  Become a Patreon: https://www.patreon.com/herphighlights FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: McLean, K. I., Stockwell, C. A., & Mushet, D. M. (2016). Cannibalistic-morph Tiger Salamanders in Unexpected Ecological Contexts. The American Midland Naturalist, 175(1), 64-72. Species of the Bi-Week: Palacios-Aguilar, R., Cisneros-Bernal, A. Y., Arias-Montiel, J. D., & Parra-Olea, G. (2020). A new species of Bolitoglossa (Amphibia: Plethodontidae) from the central highlands of Guerrero, Mexico. Canadian Journal of Zoology, 98(6), 359-365. Other Mentioned Papers/Studies: Seymour, R. S., & Lillywhite, H. B. (1976). Blood pressure in snakes from different habitats. Nature, 264(5587), 664-666. Seymour, R. S., & Arndt,

Lizards of the night - Night lizards - Xantusiidae. We take a close look at the genetics of the island night lizards, and explore some new options for reptile home range estimations. Luck would have it, a new night lizard is our Species of the Bi-week. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: O’Donnell RP, Drost CA, Fellers GM, Crabb BA, Mock KE. 2018. Rare long-distance dispersal of the Island Night Lizard, Xantusia riversiana, maintains high diversity in a fragmented environment. Conservation Genetics 19:803–814. DOI: 10.1007/s10592-018-1055-x. Silva I, Crane M, Marshall BM, Strine CT. 2020. Revisiting reptile home ranges: moving beyond traditional estimators with dynamic Brownian Bridge Movement Models. bioRxiv:23. DOI: 10.1101/2020.02.10.941278. Species of the Bi-Week: Palacios-Aguilar R, Santos-Bibiano R, Flores-Villela O. 2018. A New Species of Lepidophyma (Squamata: Xantusiidae) from the Pacific Lowlands of Guerrero, Mexico. Journal of Herpetology 52:32

Sidewinders, how do they go about life? From their hunting techniques, to how they view the landscape around them, this episode delves into the lives of these iconic vipers. Our Species of the Bi-Week is of course a recently described viper.   FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Clark RW, Dorr SW, Whitford MD, Freymiller GA, Putman BJ. (2016) Activity cycles and foraging behaviors of free-ranging sidewinder rattlesnakes (Crotalus cerastes): The ontogeny of hunting in a precocial vertebrate. Zoology 119, 196–206. (doi:10.1016/j.zool.2016.02.005)   Schraft HA, Bakken GS, Clark RW. (2019) Infrared-sensing snakes select ambush orientation based on thermal backgrounds. Scientific Reports. 9, 1–6. (doi:10.1038/s41598-019-40466-0)   Species of the Bi-Week:  Sumontha M et al. 2020 Protobothrops kelomohy sp. nov. (Squamata : Viperidae), the Second Known Species of Lance-Headed Pit Viper from Thailand. Tropical Natural History 20, 43–59.   Other Mentioned Pap

Like many a fossorial snake, Sand Boas hold many surprises; this episode we explore some of those. First, an investigation into Dollo’s “Law”, then a couple of natural history notes providing some insight into Sand Boa diets. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Lobo, J. V., & Streepada, K. S. (2015). First report on Whitaker’s boa Eryx whitakeri feeding on common vine snake. Reptile Rap, 17. Londei, T. (2015). Arabian sand boa Eryx jayakari (Squamata: Boidae) preying on Arabian toad-headed agama Phrynocephalus arabicus (Squamata: Agamidae): A nocturnal-to-diurnal species interaction. Herpetology Notes, 8, 155–15. Lynch, V. J., & Wagner, G. P. (2010). Did Egg-laying Boas Break Dollo’s Law? Phylogenetic Evidence For Reversal To Oviparity In Sand Boas (Eryx: Boidae). Evolution, 64(1), 207–216. doi: 10.1111/j.1558-5646.2009.00790.x Species of the Bi-Week: Nguyen, H. N., Tran, B. V., Nguyen, L. H., Neang, T., Yushchenko, P. V., & Poyarkov, N. A. (

In this Patreon special episode we delve into the underground lives of the ultimate oddities - worm lizards. Find out how they go about tackling their invertebrate prey, and hear about a brand new species. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Baeckens, S., García‐Roa, R., Martín, J., Ortega, J., Huyghe, K., & Van Damme, R. (2017). Fossorial and durophagous: implications of molluscivory for head size and bite capacity in a burrowing worm lizard. Journal of Zoology, 301(3), 193-205. López, P., Martín, J., & Salvador, A. (2013). Flexibility in feeding behaviour may compensate for morphological constraints of fossoriality in the amphisbaenian Blanus cinereus. Amphibia-Reptilia, 34(2), 241-247. Species of the Bi-Week: De Almeida, J. P. F. A., De Freitas, M. A., Da Silva, M. B., Valverde, M. C. C., Rodrigues, M. T., Pires, A. M., & Mott, T. (2018). A new four-pored Amphisbaena (Squamata: Amphisbaenidae) from northeastern Brazil. Zootaxa, 4514(4), 55

We’re back and exploring the toughest of frogs; those frogs braving the harsh northern conditions that literally freezes them to the bone. How do they manage this incredible feat? We head south for a Species of the Bi-week because not all frogs are as tough as the Wood Frog. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Costanzo JP. 2019. Overwintering adaptations and extreme freeze tolerance in a subarctic population of the wood frog, Rana sylvatica. Journal of Comparative Physiology B 189:1–15. DOI: 10.1007/s00360-018-1189-7. Storey KB, Storey JM. 2017. Molecular Physiology of Freeze Tolerance in Vertebrates. Physiological Reviews 97:623–665. DOI: 10.1152/physrev.00016.2016. Species of the Bi-Week: Catenazzi A, Ttito A. 2019. Noblella thiuni sp. n., a new (singleton) species of minute terrestrial-breeding frog (Amphibia, Anura, Strabomantidae) from the montane forest of the Amazonian Andes of Puno, Peru. PeerJ 7:e6780. DOI: 10.7717/peerj.6780. Other Mentioned Pa

We had the good fortune to be joined by herpetologist and author Scott Eipper for this special episode on Hoplocephalus. We also talk about Scott and his wife Tie’s new book on Aussie snakes, and of course we have a Species of the Bi-Week - this one is a robust new sand dweller. Grab the new book by Scott and Tie Eipper here: https://bit.ly/2WewX0a  FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Shelton, M. B., Goldingay, R. L., & Phillips, S. S. (2018). Population ecology of a cryptic arboreal snake (Hoplocephalus bitorquatus). Australian Journal of Zoology, 65(6), 383-390. Species of the Bi-Week: Eskandarzadeh, N. et al. (2020) A new species of Eryx (Serpentes: Erycidae) from Iran. Zootaxa, 4767, 182-192.  Other Mentioned Papers/Studies: Mirza, Z. A., Bhosale, H. S., Phansalkar, P. U., Sawant, M., Gowande, G. G., & Patel, H. (2020). A new species of green pit vipers of the genus Trimeresurus Lacépède, 1804 (Reptilia, Serpentes, Viperidae) from western A

A selection of papers are discussed in this episode. Starting with a big finding from Central America on the fate of snakes post-frog loss, and ending with a pair of more lighthearted natural history notes. Species of the Bi-week returns with a serpentine ocean dweller. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com   Main Paper References: Anderson, C. V., & Liebl L. A. (2019) MICRURUS ALLENI (Allen’s Coralsnake). DIET. Herpetological Review 50(1), 162-163 Paniagua K. S. & Abarca J. G. (2016). Thanatosis in four poorly known toads of the genus Incilius from the highlands of Costa Rica. Mesoamerican Herpetology 3(1), 135–140. Zipkin, E. F., DiRenzo, G. V., Ray, J. M., Rossman, S., & Lips, K. R. (2020). Tropical snake diversity collapses after widespread amphibian loss. Science, 367(6479), 814-816. Species of the Bi-Week: Nankivell, J. H., Goiran, C., Hourston, M., Shine, R., Rasmussen, A. R., Thomson, V. A., & Sanders, K. L. (2020). A new species of turtle-headed sea Snake

Reptiles and amphibians are hard to find, so how can you be sure you haven’t missed any? We explore some reptile detectives, some of which are good boys. The Species of the Bi-Week is coming at you from the rainforests of Sri Lanka. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Boback, S. M., Nafus, M. G., Yackel Adams, A. A., & Reed, R. N. (2020). Use of visual surveys and radiotelemetry reveals sources of detection bias for a cryptic snake at low densities. Ecosphere, 11(1). https://doi.org/10.1002/ecs2.3000 Jean-Marie, B., Raphael, G., Fabien, R., Aurélien, B., Sébastien, C., Nicolas, B., & Xavier, B. (2019). Excellent performances of dogs to detect cryptic tortoises in Mediterranean scrublands. Biodiversity and Conservation, 28(14), 4027–4045. https://doi.org/10.1007/s10531-019-01863-z Species of the Bi-Week: Wickramasinghe, L. J. M., Vidanapathirana, D. R., Pushpamal, V., & Wickramasinghe, N. (2020). A new species of Dryocalamus (Serpentes: Colubr

This episode we take a look at the Gaboon Viper… or is that a toad? Looking at a couple of papers, we check out the characteristics of Gaboon Viper skin, and how a smart toad may be harnessing the looks of a viper to stay safe. Species of the Bi-week returns and continues our African toad journey. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Spinner M, Gorb SN, Balmert A, Bleckmann H, Westhoff G. (2014). Non-Contaminating Camouflage: Multifunctional Skin Microornamentation in the West African Gaboon Viper (Bitis rhinoceros). PLoS ONE 9:e91087. DOI: 10.1371/journal.pone.0091087. Vaughan ER, Teshera MS, Kusamba C, Edmonston TR, Greenbaum E. (2019). A remarkable example of suspected Batesian mimicry of Gaboon Vipers (Reptilia: Viperidae: Bitis gabonica) by Congolese Giant Toads (Amphibia: Bufonidae: Sclerophrys channingi). Journal of Natural History 53:1853–1871. DOI: 10.1080/00222933.2019.1669730. Species of the Bi-Week: Ceríaco LMP, Marques MP, Bandeira S, Agarwal

Painted turtles - cute, and brightly coloured, but are they harbouring a dark secret? We first discuss identifying their gender, followed by talk of some unusual behaviour. Our Species of the Bi-Week is an Angolan lizard. Main Paper References: Moldowan, P. D., Brooks, R. J., & Litzgus, J. D. (2017). Assessing head morphology dimorphism in the Midland Painted Turtle (Chrysemys picta marginata) using a photographic questionnaire. Chelonian Conservation and Biology, 16(1), 76-82. Moldowan, P. D., Brooks, R. J., & Litzgus, J. (2020). Demographics of injuries indicate sexual coercion in a population of Painted Turtles (Chrysemys picta). Canadian Journal of Zoology, (ja). Species of the Bi-Week: Branch, W. R., Conradie, W., & Vaz Pinto, P. (2020). Another Angolan Namib endemic species: a new Nucras Gray, 1838 (Squamata: Lacertidae) from south-western Angola. Amphibian and Reptile Conservation, 13(2), 82–95 (e199). Other Mentioned Papers/Studies: Hawkshaw, D. M., Moldowan, P. D., Litzgus, J. D.

Crocodiles! What are they doing, running about, biting bones… We take a look at a couple of papers: one examining just how they run, the other examining their role in the study of fossil bones. Species of the Bi-week is back and we finally give the newly rediscovered caiman sub-species the attention it deserves…. And a bonus species! FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Domínguez-Rodrigo, M., & Baquedano, E. (2018). Distinguishing butchery cut marks from crocodile bite marks through machine learning methods. Scientific Reports, 8(1), 5786. doi:10.1038/s41598-018-24071-1 Hutchinson, J. R., Felkler, D., Houston, K., Chang, Y.-M., Brueggen, J., Kledzik, D., & Vliet, K. A. (2019). Divergent evolution of terrestrial locomotor abilities in extant Crocodylia. Scientific Reports, 9(19302). doi:10.1038/s41598-019-55768-6 Species of the Bi-Week: Balaguera-Reina, S. A. (2019). Rediscovering the Apaporis Caiman (Caiman crocodilus apaporiensis): Notes from a Lo

They’re strange, they’re soft, they’re turtles - but where do they go? This episode is all about the comings and goings of softshell turtles living in the rivers of the USA. Species of the Bi-week is back, where we check out a slender character from Laos. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Plummer, M. V., & O’Neal, C. S. (2019). Aerobic Pushups: Cutaneous Ventilation in Overwintering Smooth Softshell Turtles, Apalone mutica. Journal of Herpetology, 53(1), 27. https://doi.org/10.1670/18-038 Ross, J. P., Bluett, R. D., & Dreslik, M. J. (2019). Movement and Home Range of the Smooth Softshell Turtle (Apalone mutica): Spatial Ecology of a River Specialist. Diversity, 11(8), 124. https://doi.org/10.3390/d11080124 Species of the Bi-Week: Luu, V. Q., Bonkowski, M., Nguyen, T. Q., Le, M. D., Calame, T., & Ziegler, T. (2018). A New Species Of Lycodon Boie, 1826 (Serpentes: Colubridae) From Central Laos. Revue Suisse de Zoologie, 125(2), 263–276. http

Amphibians can make use of all sorts of places: from underground grottos to the tips of trees –but are there any patterns in where amphibians take to the trees? This episode we discuss a paper exploring just that, followed by an example of some civil serpents. This weeks Species of the Bi-week is tiny and cute. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Oliveira, B. F., & Scheffers, B. R. (2019). Vertical stratification influences global patterns of biodiversity. Ecography, 42(2), 249-249. Barnes, C. H., Farren, W., Strine, C. T., Hill III, Jacques., Waengsothorn, S., & Suwanwaree, P. (2019). Are the habitat niches of female green pit vipers Cryptelytrops macrops and Viridovipera vogeli partitioned by vertical stratification?. Herpetological Bulletin, (149). Species of the Bi-Week: Santa-Cruz, R., von May, R., Catenazzi, A., Whitcher, C., López Tejeda, E., & Rabosky, D. L. (2019). A New Species of Terrestrial-Breeding Frog (Amphibia, Strabomantidae,

Episode 60 is a Patreon episode about salamanders from the genus Hydromantes. These little characters have some interesting adaptations, and evolve nearly as quickly as they can shoot one of their appendages. Our Species of the Bi-Week is a lizard that looks like a crocodilian.  FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Salvidio, S., Crovetto, F., & Adams, D. C. (2015). Potential rapid evolution of foot morphology in Italian plethodontid salamanders (Hydromantes strinatii) following the colonization of an artificial cave. Journal of evolutionary biology, 28(7), 1403-1409. Deban, S. M., & Richardson, J. C. (2011). Cold‐blooded snipers: thermal independence of ballistic tongue projection in the salamander Hydromantes platycephalus. Journal of Experimental Zoology Part A: Ecological Genetics and Physiology, 315(10), 618-630. Species of the Bi-Week: Campbell, J. A., Solano-Zavaleta, I., Flores-Villela, O., Caviedes-Solis, I. W., & Frost, D. R. (2016).

In a slightly shambolic episode we mix up the format, this Bi-week we take a look at some lost species and their recent rediscoveries. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com References: 1) Jackson’s climbing salamander (Bolitoglossa jacksoni) https://www.nationalgeographic.com/news/2017/10/salamanders-extinct-species-rediscovery-guatemala/ https://www.globalwildlife.org/jacksons-climbing-salamander/ https://amphibiaweb.org/cgi/amphib_query?where-genus=Bolitoglossa&where-species=jacksoni 2) Pygmy blue tongue skink (Tiliqua adelaidensis) Milne, T., Bull, C. M., & Hutchinson, M. N. (2003). Use of burrows by the endangered pygmy blue-tongue lizard, Tiliqua adelaidensis (Scincidae). Wildlife Research, 30(5), 523-528. Milne T, Bull CM, Hutchinson M (2003). "Fitness of the endangered pygmy blue tongue lizard Tiliqua adelaidensis in artificial burrows". Journal of Herpetology. 37 (4): 762–765. Funny skink video: https://www.abc.net.au/news/2016-02-24/monarto-zoos-pygmy-blue-to

  Geckos! In Hawai'i? We know what you're thinking - not by natural biogeographic processes! And you're right, they are there because they are invasive species brought by humans. In this Patreon-chosen episode, we explore some of the more unusual species the island has to offer. Our Species of the Bi-Week is a splendid lizard with an even more splendid name. Check out the Ross McGibbon reptile calendar: http://rmrphotography.com.au/2020-calendar-1/ FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Bucol, A., & Alcala, A. (2013). Tokay gecko, Gekko gecko (Sauria: Gekkonidae) predation on juvenile house rats. Herpetol. Notes, 6, 307-308. Seifan, T., Federman, A., Mautz, W. J., Smith, K. J., & Werner, Y. L. (2010). Nocturnal foraging in a diurnal tropical lizard (Squamata: Gekkonidae: Phelsuma laticauda) on Hawaii. Journal of Tropical Ecology, 26(2), 243-246. Goldberg, S. R., & Kraus, F. (2011). Notes on Reproduction of the Gold Dust Day Gecko, Phelsuma lati

Patreon episode - what’s up with Central American vipers? More specifically how is there size and shape impacted by location and interspecific interactions? We check out a couple of papers looking to explore just that. The Species of the Bi-week is a new moderately small insular viper. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Jadin, R. C., Mihaljevic, J. R., & Orlofske, S. A. (2019). Do New World pitvipers “scale‐down” at high elevations? Macroecological patterns of scale characters and body size. Ecology and evolution, 9(16), 9362-9375. Meik, J. M., Setser, K., Mocino-Deloya, E., & Lawing, A. M. (2012). Sexual differences in head form and diet in a population of Mexican lance-headed rattlesnakes, Crotalus polystictus. Biological Journal of the Linnean Society, 106(3), 633-640. Species of the Bi-Week: Barbo, F. E., Gasparini, J.L., Almeida, A., Zaher, H., Grazziotin, F., Gusmão, R.B., Ferrarini, J. and Sawaya R. (2016). Another new and threatened speci

Snakebite is a worldwide phenomenon which has dramatic consequences for human health. But how does the ecology of snakes influence its incidence and severity? We first look at snakebite globally, and then focus in on a famous island. Our Species of the Bi-Week is a recently described tree-dwelling serpent.  FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Longbottom, J., Shearer, F. M., Devine, M., Alcoba, G., Chappuis, F., Weiss, D. J., … Pigott, D. M. (2018). Vulnerability to snakebite envenoming: A global mapping of hotspots. The Lancet, 392(10148), 673–684. https://doi.org/10.1016/S0140-6736(18)31224-8 Yue, S., Bonebrake, T. C., & Gibson, L. (2019). Human-snake Conflict Patterns in a Dense Urban-Forest Mosaic Landscape. Herpetological Conservation and Biology, 14(1), 143–154. Species of the Bi-Week: Branch, W. R., Bayliss, J., Bittencourt-Silva, G. B., Conradie, W., Engelbrecht, H. M., Loader, S. P., … Tolley, K. A. (2019). A new species of tree snake (Dipsad

After an unscheduled delay we are back. What better way to return than a look into the lives and diets of water snakes - mysterious creatures of the wetlands, all consuming, and surprisingly numerous. We have a lumpy frog for the Species of the Bi-week. FULL REFERENCE LIST AVAILABLE AT: herphighlights.podbean.com Main Paper References: Virgin, E. E., & King, R. B. (2019). What Does the Snake Eat? Breadth, Overlap, and Non-native Prey in the Diet of Three Sympatric Natricine Snakes. Herpetological Conservation and Biology, 11. Willson, J. D., & Winne, C. T. (2016). Evaluating the functional importance of secretive species: A case study of aquatic snake predators in isolated wetlands. Journal of Zoology, 298(4), 266–273. https://doi.org/10.1111/jzo.12311 Species of the Bi-Week: Yánez-Muñoz, M. H., Veintimilla-Yánez, D., Batallas, D., & Cisneros-Heredia, D. F. (2019). A new giant Pristimantis (Anura, Craugastoridae) from the paramos of the Podocarpus National Park, southern Ecuador. ZooKeys, 852