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Cfreptiles & Amphibians HTTPS://JOURNALS.KU.EDU/REPTILESANDAMPHIBIANSTABLE OF CONTENTS IRCF REPTILES & AMPHIBIANSREPTILES • VOL & AMPHIBIANS15, NO 4 • DEC 2008 • 28(2):189 220–221 • AUG 2021 IRCF REPTILES & AMPHIBIANS CONSERVATION AND NATURAL HISTORY TABLE OF CONTENTS InterspecificFEATURE ARTICLES Amplexus of a Gulf Coast Toad, . Chasing Bullsnakes (Pituophis catenifer sayi) in Wisconsin: InciliusOn thenebulifer Road to Understanding the Ecology (Girard and Conservation of the Midwest’s1854), Giant Serpent ...................... and Joshua a M. KapferHurter’s 190 . The Shared History of Treeboas (Corallus grenadensis) and Humans on Grenada: Spadefoot,A Hypothetical ExcursionScaphiopus ............................................................................................................................ hurterii (StreckerRobert W. Henderson 1981910), RESEARCH ARTICLES . The Texasin Horned Bastrop Lizard in Central and Western County, Texas ....................... Emily Henry, Texas, Jason Brewer, Krista Mougey, USA and Gad Perry 204 . The Knight Anole (Anolis equestris) in Florida .............................................Brian J. Camposano, Kenneth L. Krysko, Kevin M. Enge, Ellen M. Donlan, and Michael Granatosky 212 Lawrence G. Bassett and Michael R.J. Forstner CONSERVATION ALERT Department of Biology, Texas State University, San Marcos, Texas 78666, USA ([email protected]) . World’s Mammals in Crisis ............................................................................................................................................................. 220 . More Than Mammals ...................................................................................................................................................................... 223 . The “Dow Jones Index” of Biodiversity ........................................................................................................................................... 225 eports of inaccuratelyHUSBANDRY directed amplexus among amphib- incompatibility. These signals include body vibration and Rians abound in. Captive the herpetological Care of the Central Netted literature. Dragon ....................................................................................................... For exam- release calls (Bowcock et Shannonal. 2008; Plummer Vitt 226 and Caldwell 2009; ple, numerous PROFILEpublications document the occurrence of Powell et al. 2016). We did not observe any such behavior interspecific amplexus. Kraig Adler:between A Lifetime anuran Promoting taxa Herpetology (e.g., ................................................................................................ Ribeiro from the female S. hurterii Michael and L.are Treglia unsure 234 what prompted the et al. 2014; Bell and Scheinberg 2016; Sajjan et al. 2017; I. nebulifer to release it. Asad et al. 2018).COMMENTARY Less common are reports of amplexus Reproductive isolation between anurans often is driven by . between anurans andThe Turtles caudates Have Been (e.g., Watching Marco Me ........................................................................................................................ and Lizana divergence of advertisement call Eric characteristics Gangloff 238 (e.g., Blair 1941; 2002; MoldowanBOOK et al. REVIEW 2013; Simović et al. 2014; Howell Blair 1955; Fouquette 1975; Gerhardt 1994; Leary 2001). In 2017). Instances of. Threatenedanuran Amphibianstaxa amplecting of the World withedited byinanimate S.N. Stuart, M. Hoffmann,many anuran J.S. Chanson, taxa, N.A. females Cox, evaluate the advertisement calls of objects and exhibiting R.necrophilia Berridge, P. Ramani, can and likewise B.E. Young be .............................................................................................................. found (e.g., males and choose to mate with Robert males Powell that243 produce calls with Mollov et al. 2010; Oyervides and Zaiden 2013; Jennier and desirable characteristics (Vitt and Caldwell 2009). Amplexus CONSERVATION RESEARCH REPORTS: Summaries of Published Conservation Research Reports ................................. 245 Hardy 2015; Lima-Araujo NATURAL HISTORYet al. 2017). RESEARCH Within REPORTS the anuran: Summaries of Publishedis typically Reports prompted on Natural History when ................................. the female 247 approaches or makes families Bufonidae NEWBRIEFS and Scaphiopodidae, ............................................................................................................................... several species are physical contact .......................................................with the male. For this reason,248 mate selectivity EDITORIAL INFORMATION ..................................................................................................................................................... 251 known to engage FOCUSin heterospecific ON CONSERVATION amplexus: A Project(e.g., YouCreusere Can Support ...............................................................................................may be higher in females than males. This 252 may render males and Whitford 1976; Bettaso et al. 2011; Clause et al. 2015; with a predisposition to amplect other anurans that approach it Heyborne et al. 2018). However, evidence of such behavior while chorusing, with little regard to whether the approaching taking place between members of the two families is appar- anuran is conspecific or heterospecific. ently absent from the literature. HereinFront Cover. we Shannon provide Plummer. what is, BothBack Cover. I. nebulifer Michael Kernand S. hurterii are explosive breeders that to the best of our knowledge, the Totatfirst et report velleseque of audant a bufonid mo in frequentlyTotat et velleseque are faced audant with mo temporally limited opportunities for amplexus with a scaphiopodid. estibus inveliquo velique rerchil reproductionestibus inveliquo thatvelique coincide rerchil with rainfall events (Tipton et al. erspienimus, quos accullabo. Ilibus erspienimus, quos accullabo. Ilibus At 2135 h on 23 April 2021, whileaut dolor conducting apicto invere pe an dolum anuran 2012;aut dolor Dixon apicto invere 2013). pe dolum The urgency to reproduce during these survey on private property in Bastropfugiatis maionsequatCounty, Texas,eumque USA fugiatis maionsequat eumque (30.2125°N, 97.2515°W; WGSmoditia 84), ererewe nonsedisobserved ma sectiatur a male moditia erere nonsedis ma sectia- ma derrovitae voluptam, as quos tur ma derrovitae voluptam, as Gulf Coast Toad (Incilius [Bufo] nebuliferaccullabo.) in amplexus with a Hurter’s Spadefoot (Scaphiopus hurterii). The amplectant pair (Fig. 1) was on a dirt road surrounded by a mosaic of oak- conifer woodlands and pastures containing deep sandy soils. Conditions included heavy rainfall, an ambient temperature of 22.67 °C, relative humidity at 90.4%, and a maximum windspeed of 10.14 km/h. After several minutes, the I. nebu- lifer released the S. hurterii and the two individuals moved off the roadway. When amplected by a conspecific of the same gender or Fig. 1. Male Gulf Coast Toad (Incilius nebulifer) in amplexus with a an anuran belonging to a different species, many anurans uti- Hurter’s Spadefoot (Scaphiopus hurterii) on a dirt road in Bastrop County, lize physical or auditory signals to communicate the perceived Texas, USA. Photograph by Lawrence G. Bassett. Copyright is held by the authors. Articles in R&A are made available under a 220 Reptiles & Amphibians ISSN 2332-4961 Creative Commons Attribution-NonCommercial 4.0 International license. BASSETT AND FORSTNER REPTILES & AMPHIBIANS • 28(2): 220–221 • AUG 2021 events may also contribute to the lack of selectivity exhib- Dixon, J.R. 2013. Amphibians and Reptiles of Texas: with Keys, Taxonomic Synopses, Bibliography, and Distribution Maps. 3rd ed. Texas A&M University Press, ited by I. nebulifer. For example, at this same site, we have College Station, Texas, USA. encountered numerous instances of interspecific amplexus Fouquette, M.J. 1975. Speciation in chorus frogs. I. Reproductive character dis- between I. nebulifer and the federally endangered Houston placement in the Pseudacris nigrita complex. Systematic Zoology 24: 16–23. https://doi.org/10.1093/sysbio/24.1.16. Toad (Anaxyrus [Bufo] houstonensis). This activity has yielded Gerhardt, H.C. 1994. Reproductive character displacement of female mate choice viable hybrid offspring and higher-order hybrids occur within in the grey treefrog, Hyla chrysoscelis. Animal Behaviour 47: 959–969. https:// the resident A. houstonensis gene pool (McHenry 2010). doi.org/10.1006/anbe.1994.1127. Reporting instances of interspecific amplexus such as this is Heyborne, W.H., C. Gardner, and B.A. Kemme. 2018. Smilisca baudinii (Mexican Treefrog) and Incilius luetkenii (Yellow Toad). Interspecific amplexus. important for characterizing the reproductive interference Herpetological Review 49: 101. endured by many anuran taxa. Howell, H.J. 2017. Lithobates sphenocephalus (Southern Leopard Frog) and Ambystoma maculatum (Spotted Salamander). Interspecific amplexus. Herpetological Review 48: 609. Acknowledgements Jennier, J.C. and L.M. Hardy. 2015. Anaxyrus woodhousii (Woodhouse’s Toad). All work was authorized by a Scientific Permit for Research Necrophilia. Herpetological Review 46: 73. issued to Michael R.J. Forstner by the Texas Parks and Leary, C.J. 2001. Evidence of convergent character displacement in release vocaliza- tions of Bufo fowleri and Bufo terrestris (Anura; Bufonidae). Animal Behaviour Wildlife Department (SPR-0102-191).
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