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Additional Notes on the Reproduction Of WWW.IRCF.ORG/REPTILESANDAMPHIBIANSJOURNALTABLE OF CONTENTS IRCF REPTILES & AMPHIBIANS IRCF REPTILES • VOL15, &NO AMPHIBIANS 4 • DEC 2008 189 • 23(1):28–31 • APR 2016 IRCF REPTILES & AMPHIBIANS CONSERVATION AND NATURAL HISTORY TABLE OF CONTENTS FEATURE ARTICLES Additional. Chasing Bullsnakes (Pituophis catenifer Notes sayi) in Wisconsin: on the Reproduction On the Road to Understanding the Ecology and Conservation of the Midwest’s Giant Serpent ...................... Joshua M. Kapfer 190 . The Shared History of Treeboas (Corallus grenadensis) and Humans on Grenada: of the A FormosanHypothetical Excursion ............................................................................................................................ Grass Lizard, TakydromusRobert W. Henderson 198 formosanusRESEARCH ARTICLES (Boulenger 1894) (Squamata: . The Texas Horned Lizard in Central and Western Texas ....................... Emily Henry, Jason Brewer, Krista Mougey, and Gad Perry 204 . The Knight Anole (Anolis equestris) in Florida Lacertidae), .............................................Brian from J. Camposano, Kenneth Southwestern L. Krysko, Kevin M. Enge, Ellen M. Donlan, and Michael TaiwanGranatosky 212 CONSERVATIONGerrut Norval ALERT1, Jean-Jay Mao2, Stephen R. Goldberg3, and Shao-Chang Huang4 . World’s Mammals in Crisis ............................................................................................................................................................. 220 1Applied Behavioural .EcologyMore Than & EcosystemMammals ...................................................................................................................................................................... Research Unit, Department of Environmental Sciences, UNISA, Private Bag X6, Florida, 223 1710, Republic of South . The “Dow Jones Index” of Biodiversity ...........................................................................................................................................Africa ([email protected]) 225 2Department of Forestry and Natural Resources, National Ilan University, No. 1, Sec. 1, Shen-Lung Rd., Yilan, 260, Taiwan, Republic of China HUSBANDRY 3Department of Biology, Whittier College, Whittier, California 90608, USA . 4QueenslandCaptive Brain Care of Institute, the Central QBI Netted Building Dragon (79), ....................................................................................................... Upland Road, The University of Queensland, St Lucia, Shannon QLD Plummer 4072, 226 Australia PROFILE Photographs by the senior author. Kraig Adler: A Lifetime Promoting Herpetology ................................................................................................ Michael L. Treglia 234 COMMENTARY . The Turtles Have Been Watching Me ........................................................................................................................ Eric Gangloff 238 Abstract.—We collected 13 (male = 2; female = 10; juvenile = 1) Takydromus formosanus on an ad hoc basis from a Betelnut PalmBOOK (Areca REVIEW catechu) plantation in Santzepu, Sheishan District, Chiayi County, as part of a herpetofaunal . Threatened Amphibians of the World edited by S.N. Stuart, M. Hoffmann, J.S. Chanson, N.A. Cox, survey of the area. TheR. Berridge, smallest P. Ramani, reproductively and B.E. Young .............................................................................................................. active female had a snout-vent length (SVL) Robert of Powell 44 mm,243 and the smallest male with an enlarged tail base had a SVL of 41 mm. A histological examination and oviposition indicated that the female reproductive CONSERVATION cycle commences RESEARCH in REPORTS:April and Summaries lasts until of Published at least Conservation June. ResearchWe recorded Reports ................................. no clutch sizes 245 greater than two NATURAL HISTORY RESEARCH REPORTS: Summaries of Published Reports on Natural History ................................. 247 eggs. Takydromus NEWBRIEFS formosanus ...................................................................................................................................................................................... is a poorly studied species, and many aspects of the reproductive biology 248 of this species merit further research. EDITORIAL INFORMATION ..................................................................................................................................................... 251 FOCUS ON CONSERVATION: A Project You Can Support ............................................................................................... 252 nformation on the reproductive patterns of reptiles and sequently, Lue and Lin (2008) described T. viridipunctatus Iamphibians is critical to species conservation efforts (the northern clade) and T. luyeanus (the eastern clade). (Gibbons 1994), so understanding, for example, the period In a previous report, we described three clutches of Front Cover. Shannon Plummer. Back Cover. Michael Kern of sperm production, timing of yolkTotat deposition, et velleseque audant and mo num - TakydromusTotat et velleseque formosanus audant mo from southwestern Taiwan (Norval et ber and sizes of clutches produced isestibus important. inveliquo velique Even rerchil chance al.estibus 2007). inveliquo In veliquethis report,rerchil we incorporate additional informa- erspienimus, quos accullabo. Ilibus erspienimus, quos accullabo. Ilibus observations and studies generatingaut limited dolor apicto data invere can pe dolumprovide tionaut dolor concerning apicto invere pereproduction dolum with our previous observations important information, can be helpfulfugiatis in maionsequatgenerating eumque questions to providefugiatis maionsequat a more eumque comprehensive description of reproduction moditia erere nonsedis ma sectiatur moditia erere nonsedis ma sectia- leading to comprehensive studies, maor derrovitae highlight voluptam, aspects as quos that intur T ma. formosanus derrovitae voluptam, from as southwestern Taiwan. We also high- warrant in-depth research. For that accullabo.reason, the publication of light those aspects that merit further research. such data should be encouraged. The Formosan Grass Lizard (Takydromus formosanus Methods [Boulenger 1894]; Fig.1) is endemic to the main island of From early January 2004 to late October 2006, we collected Taiwan, where it was formerly believed to be the most widely T. formosanus on an ad hoc basis by hand or pitfall traps distributed Takydromus species in Taiwan (Lue et al. 2002; inside enclosures erected in a Betelnut Palm (Areca catechu) Shang and Lin 2001). As for many other species, some confu- plantation in Santzepu, Sheishan District, Chiayi County sion exists regarding the taxonomic history of T. formosanus. (N23º25’41”, E120º28’11”; WGS84; Norval et al. 2007). Until it was validated as a legitimate species, Stejneger’s Grass For all collected lizards, we measured snout-vent length Lizard (T. stejnegeri Van Denburgh 1912) was considered a (SVL) and tail length (TL) with a transparent plastic ruler to synonym of T. formosanus (Boulenger 1917). More recently, the nearest mm, scored the tail as complete or broken, and a study (Lin 2003; Lin et al. 2002) using molecular mark- weighed the lizard to the nearest 0.1 g with a digital scale. If ers indicated that the T. formosanus complex contained two the lizard had suffered tail-loss in the past, the regenerated other cryptic species from northern and eastern Taiwan; sub- portion of the tail was also measured with a transparent plas- Copyright © 2016. Gerrut Norval. All rights reserved. 28 NORVAL ET AL. IRCF REPTILES & AMPHIBIANS • 23(1):28–31 • APR 2016 Fig. 1. The Formosan Grass Lizard (Takydromus formosanus) is a small diurnal species that lives on and among herbaceous vegetation at altitudes below 1,500 m on the main island of Taiwan. tic ruler to the nearest mm. In order to avoid injury to live liz- Results ards or induce tail-loss, no attempts were made to determine During the study period, we collected 13 T. formosanus. Two the sex of the lizards, other than visually examining the tail of the collected lizards were positively sexed as males by the bases for the presence of enlarged hemipenal pouches. presence of enlarged tail bases (Fig. 2). One had SVL, TL, Four T. formosanus died in pitfall traps and were sub- and body mass of 43 mm, 71 mm, and 1.4 g, the other 41 sequently deposited in the herpetological collection of the mm, 119 mm, and 1.5 g, respectively. Since a male with a Natural History Museum of Los Angeles County (LACM), SVL of 41 mm was found with an enlarged tail base, any Los Angeles, California. These specimens were examined his- lizard with a SVL ≥ 41 mm without an enlarged tail base tologically to determine their reproductive state. The right was regarded as female. For females (n = 10) SVL, TL, and gonad of each lizard was removed, dehydrated in an ascend- body mass were 41–47 mm (mean ± SD = 45.3 ± 1.5 mm), ing series of ethanol, embedded in paraffin, sectioned at 5 75–137 mm (118.4 ± 16.7 mm), and 1.2–1.8 g (1.5 ± 0.2 µ, mounted on glass slides, and stained with Harris’ hema- g), respectively. The smallest reproductively active female toxylin followed by an eosin counterstain. We examined the measured 44 mm SVL, and for reproducing females (n = 5), left ovaries of the four LACM specimens visually in situ or SVL, TL, and body mass were 44–47 mm (45.5 ± 1.3 mm), microscopically, and assigned them to
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