Bibliography and Scientific Name Index to Amphibians
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Scale Sensillae of the File Snake (Serpentes: Acrochordidae) and Some Other Aquatic and Burrowing Snakes
SCALE SENSILLAE OF THE FILE SNAKE (SERPENTES: ACROCHORDIDAE) AND SOME OTHER AQUATIC AND BURROWING SNAKES by DAVID POVEL and JEROEN VAN DER KOOIJ (Section Dynamic Morphology,Institute of Evolutionaryand Ecological Sciences, Leiden University,P.O. Box 9516, 2300 RA Leiden, The Netherlands) ABSTRACT The acrochordid snakes are aquatic, living in environmentswith often a poor visibility. It therefore was investigatedhow these animals detect their prey. Two earlier studies of their scales revealed a rather complex scale organ, composedof hairlike protrusions and plate-like structures. However, no satisfactory explanation was given for the structures found, e.g., an undefined sensilla or a gland. Skin samples from various sites of the body of Acrochordus granulatus and A. javanicus were studied. Scanning electron microscopic pictures revealed that each scale of the head contains up to seven sensillae, and each of the keeled scales of the rest of the body has one. Also a modified Allochrome staining procedure on tissue samples was performed to detect glycogen, which is known to occur in discoidal nerve endings of tactile sense organs of reptiles. Light microscopicslides revealedglycogen particles in a small pillow-shaped area just below the hairlike protrusions of an organ. Moreover, small nerves were recognized near the same location. No indications were found for the scale organs to have a glandular function. Because of the reported reactions of a snake when it is touched by a fish, these scale sensilla are proposed to be very sensitivemechanoreceptors. Comparisons were made with the scale organs of snakes from various habitats, viz. the seasnake Lapemis hardwicki, and burrowing snakes such as Xenopeltis unicolor and Cylindrophisrufus. -
A Preliminary Report on the Status of Our Research on the Lizards Of
A preliminary report on research concerning the lizards of Redonda, Antigua, and Great Bird Island Prepared for: The Government of Antigua and Barbuda Ministry of Health and the Environment March 10, 2017 Prepared by: Dr. Colin Donihue In collaboration with Dr. Anthony Herrel and Geoffrey Giller Contact: [email protected] Harvard University, Museum of Comparative Zoology 26 Oxford St. Cambridge, MA 02140. USA. Components Report Introduction and aims .......................................................................................................2 Data collected ....................................................................................................................2 Summary of findings ........................................................................................................3 Next steps ..........................................................................................................................4 Additional Information Research picture captions .................................................................................................4 Description of field notes ..................................................................................................6 Description of databases ...................................................................................................6 C. M. Donihue Preliminary report on the status of lizards in Antigua and Barbuda Introduction and Aims The Redonda Restoration Program is a unique opportunity to study the ramifications of goat -
Snakes of the Siwalik Group (Miocene of Pakistan): Systematics and Relationship to Environmental Change
Palaeontologia Electronica http://palaeo-electronica.org SNAKES OF THE SIWALIK GROUP (MIOCENE OF PAKISTAN): SYSTEMATICS AND RELATIONSHIP TO ENVIRONMENTAL CHANGE Jason J. Head ABSTRACT The lower and middle Siwalik Group of the Potwar Plateau, Pakistan (Miocene, approximately 18 to 3.5 Ma) is a continuous fluvial sequence that preserves a dense fossil record of snakes. The record consists of approximately 1,500 vertebrae derived from surface-collection and screen-washing of bulk matrix. This record represents 12 identifiable taxa and morphotypes, including Python sp., Acrochordus dehmi, Ganso- phis potwarensis gen. et sp. nov., Bungarus sp., Chotaophis padhriensis, gen. et sp. nov., and Sivaophis downsi gen. et sp. nov. The record is dominated by Acrochordus dehmi, a fully-aquatic taxon, but diversity increases among terrestrial and semi-aquatic taxa beginning at approximately 10 Ma, roughly coeval with proxy data indicating the inception of the Asian monsoons and increasing seasonality on the Potwar Plateau. Taxonomic differences between the Siwalik Group and coeval European faunas indi- cate that South Asia was a distinct biogeographic theater from Europe by the middle Miocene. Differences between the Siwalik Group and extant snake faunas indicate sig- nificant environmental changes on the Plateau after the last fossil snake occurrences in the Siwalik section. Jason J. Head. Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, P.O. Box 37012, Washington, DC 20013-7012, USA. [email protected] School of Biological Sciences, Queen Mary, University of London, London, E1 4NS, United Kingdom. KEY WORDS: Snakes, faunal change, Siwalik Group, Miocene, Acrochordus. PE Article Number: 8.1.18A Copyright: Society of Vertebrate Paleontology May 2005 Submission: 3 August 2004. -
El Grado De Protección De Los Anfibios Patagónicos De Argentina
DiciembreEcología Austral de 2007 17:269-279. Diciembre PROTECCIÓN 2007 DE ANFIBIOS PATAGÓNICOS 269 Asociación Argentina de Ecología El grado de protección de los anfibios patagónicos de Argentina * CARMEN ÚBEDA & DORA GRIGERA Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, Bariloche, Río Negro, Argentina. RESUMEN. En este trabajo se evalúa si las áreas protegidas de la Patagonia brindan una protección adecuada a los anfibios de esta región. Se analizó la distribución y la categoría de conservación de 31 taxa de anuros en función de la ubicación de las áreas protegidas, particularmente del sistema nacional. Seis taxa no se registraron en unidad de protección alguna, siendo la mayoría de ellos típicos de estepa. Todos los anfibios de bosque se encuentran al menos en un área protegida. Cinco de los taxa que se consideran amenazados, y uno insuficientemente conocido, no están comprendidos en ninguna unidad de protección. Otros anfibios amenazados, incluyendo microendemismos y un género monotípico, están en áreas que por falta de implementación o control no garantizan su conservación. La contigüidad entre varios Parques Nacionales argentinos y chilenos a lo largo de los Andes patagónicos contribuye a la protección de los anfibios de bosque, mientras que esta situación favorece a una sola de las especies esteparias. Se concluye que las razones históricas que influyeron en la ubicación de las áreas protegidas, afectaron positivamente a la batracofauna de los bosques, quedando fuera de las áreas nacionales la mayoría de los taxa endémicos de estepa, cuya protección en áreas no pertenecientes al sistema nacional es deficiente o nula. [Palabras clave: anuros, conservación, áreas protegidas, declinación de anfibios, amenazas a la biodiversidad, Patagonia] ABSTRACT. -
Catalogue of the Amphibians of Venezuela: Illustrated and Annotated Species List, Distribution, and Conservation 1,2César L
Mannophryne vulcano, Male carrying tadpoles. El Ávila (Parque Nacional Guairarepano), Distrito Federal. Photo: Jose Vieira. We want to dedicate this work to some outstanding individuals who encouraged us, directly or indirectly, and are no longer with us. They were colleagues and close friends, and their friendship will remain for years to come. César Molina Rodríguez (1960–2015) Erik Arrieta Márquez (1978–2008) Jose Ayarzagüena Sanz (1952–2011) Saúl Gutiérrez Eljuri (1960–2012) Juan Rivero (1923–2014) Luis Scott (1948–2011) Marco Natera Mumaw (1972–2010) Official journal website: Amphibian & Reptile Conservation amphibian-reptile-conservation.org 13(1) [Special Section]: 1–198 (e180). Catalogue of the amphibians of Venezuela: Illustrated and annotated species list, distribution, and conservation 1,2César L. Barrio-Amorós, 3,4Fernando J. M. Rojas-Runjaic, and 5J. Celsa Señaris 1Fundación AndígenA, Apartado Postal 210, Mérida, VENEZUELA 2Current address: Doc Frog Expeditions, Uvita de Osa, COSTA RICA 3Fundación La Salle de Ciencias Naturales, Museo de Historia Natural La Salle, Apartado Postal 1930, Caracas 1010-A, VENEZUELA 4Current address: Pontifícia Universidade Católica do Río Grande do Sul (PUCRS), Laboratório de Sistemática de Vertebrados, Av. Ipiranga 6681, Porto Alegre, RS 90619–900, BRAZIL 5Instituto Venezolano de Investigaciones Científicas, Altos de Pipe, apartado 20632, Caracas 1020, VENEZUELA Abstract.—Presented is an annotated checklist of the amphibians of Venezuela, current as of December 2018. The last comprehensive list (Barrio-Amorós 2009c) included a total of 333 species, while the current catalogue lists 387 species (370 anurans, 10 caecilians, and seven salamanders), including 28 species not yet described or properly identified. Fifty species and four genera are added to the previous list, 25 species are deleted, and 47 experienced nomenclatural changes. -
Forest Stewardship Workshop
Aquatic Invasives Workshop Presented by the: Central Florida Cooperative Invasive Species Management Area (CISMA), East Central Florida CISMA & Florida Forest Stewardship Program May 13, 2016; 8:30 am – 2:30 pm ET UF/IFAS Orange County Extension Office Many exotic plants are invasive weeds that form expanding populations on our landscape and waterways, making management a challenge. Some exotic animals have also become a problem for resource managers. The rapid and effective dispersal characteristics of these invaders make them extremely difficult to eliminate. This workshop will describe some of the more common and troublesome aquatic invasive exotic species in central Florida, current methods being used to manage them and opportunities to partner and get assistance. Tentative Agenda: 8:30 am Sign-in, meet & greet (finish refreshments before entering meeting room) 8:50 Welcome & introduction, Sherry Williams, Seminole County Natural Lands Program 9:00 Aquatic herbicides and application techniques, Dr. Stephen Enloe, UF/IFAS Center for Aquatic and Invasive Plants 9:50 Mosquito biology and disease, Ed Northey, Volusia County Mosquito Control 10:15 Algae, Michael Shaner, SePRO 10:40 Networking break 11:00 Ludwigia plant complex, Kelli Gladding, SePRO 11:25 Introduced aquatic herpetofauna in Florida, Dr. Steve Johnson, UF/IFAS Dept. of Wildlife Ecology and Conservation 11:50 Lunch 1:00 pm Hands-on plant and animal ID round-robin, all staff 2:30 Evaluation, CEUs, adjourn Funding for this workshop is provided by the USDA Forest Service through the Florida Department of Agriculture and Consumer Services Florida Forest Service, the Florida Sustainable Forestry Initiative Implementation Committee, Applied Aquatic Management, Inc., Aquatic Vegetation Control, Inc., Dow Chemical, Earth Balance, Florida’s Aquatic Preserves, Modica & Associates, Florida Aquatic Plant Management Society, and SePro. -
Conservation Status of Amphibians of Argentina: an Update and Evaluation of National Assessments
Official journal website: Amphibian & Reptile Conservation amphibian-reptile-conservation.org 11(1) [General Section]: 36–44 (e135). Conservation status of Amphibians of Argentina: An update and evaluation of national assessments 1,3Marcos Vaira, 1Laura C. Pereyra, 1Mauricio S. Akmentins, and 2Jon Bielby 1Instituto de Ecorregiones Andinas (INECOA), CONICET, Universidad Nacional de Jujuy, Av. Bolivia 1711 (4600), San Salvador de Jujuy, ARGENTINA 2Institute of Zoology, Zoological Society of London, Regent's Park, London NW1 4RY, UNITED KINGDOM Abstract.—We present a review on the conservation status of the 177 species and subspecies of amphibians of Argentina and compare the first national assessment, conducted in 2000, with the most recent one, from 2012, to determine changes in conservation status over time. We also evaluate the degree of taxonomic and geographic non-randomness in extinction risk among these taxa. The present study shows an improvement in the knowledge of amphibian diversity in Argentina, but also increasing evidence of population declines and species absences. Twenty-two species showed a genuine increase in threat status between national assessments, and habitat loss and/or degradation, chytrid fungus infection, and introduction of invasive species have been reported as the main threats. Randomization tests showed families Telmatobiidae and Batrachylidae to be over-threatened and Hylidae and Leptodactylidae to be significantly under-threatened. Also, four ecoregions were shown to be significantly over-threatened (Patagonian Steepe, Patagonian Woodlands, Puna, and Yungas Forests). This evaluation help to identify groups of species that face similar suites and intensities of threat as a result of their overlapping geographical distributions and shared biological susceptibility as a result of their evolutionary history. -
Species Delimitation, Patterns of Diversification and Historical Biogeography of the Neotropical Frog Genus Adenomera
Journal of Biogeography (J. Biogeogr.) (2014) 41, 855–870 ORIGINAL Species delimitation, patterns of ARTICLE diversification and historical biogeography of the Neotropical frog genus Adenomera (Anura, Leptodactylidae) Antoine Fouquet1,2*, Carla Santana Cassini3,Celio Fernando Baptista Haddad3, Nicolas Pech4 and Miguel Trefaut Rodrigues2 1CNRS Guyane USR3456, 97300 Cayenne, ABSTRACT French Guiana, 2Departamento de Zoologia, Aim For many taxa, inaccuracy of species boundaries and distributions Instituto de Bioci^encias, Universidade de S~ao hampers inferences about diversity and evolution. This is particularly true in Paulo, CEP 05508-090 S~ao Paulo, SP, Brazil, 3Departamento de Zoologia, Instituto de the Neotropics where prevalence of cryptic species has often been demon- Bioci^encias, Universidade Estadual Paulista strated. The frog genus Adenomera is suspected to harbour many more species Julio de Mesquita Filho, CEP 13506-900 Rio than the 16 currently recognized. These small terrestrial species occur in Claro, SP, Brazil, 4Aix-Marseille Universite, Amazonia, Atlantic Forest (AF), and in the open formations of the Dry Diagonal CNRS, IRD, UMR 7263 – IMBE, Evolution (DD: Chaco, Cerrado and Caatinga). This widespread and taxonomically com- Genome Environnement, 13331 Marseille plex taxon provides a good opportunity to (1) test species boundaries, and (2) Cedex 3, France investigate historical connectivity between Amazonia and the AF and associated patterns of diversification. Location Tropical South America east of the Andes. Methods We used molecular data (four loci) to estimate phylogenetic rela- tionships among 320 Adenomera samples. These results were integrated with other lines of evidence to propose a conservative species delineation. We subse- quently used an extended dataset (seven loci) and investigated ancestral area distributions, dispersal–vicariance events, and the temporal pattern of diversifi- cation within Adenomera. -
Aspects of the Ecology and Conservation of Frogs in Urban Habitats of South Africa
Frogs about town: Aspects of the ecology and conservation of frogs in urban habitats of South Africa DJD Kruger 20428405 Thesis submitted for the degree Philosophiae Doctor in Zoology at the Potchefstroom Campus of the North-West University Supervisor: Prof LH du Preez Co-supervisor: Prof C Weldon September 2014 i In loving memory of my grandmother, Kitty Lombaard (1934/07/09 – 2012/05/18), who has made an invaluable difference in all aspects of my life. ii Acknowledgements A project with a time scale and magnitude this large leaves one indebted by numerous people that contributed to the end result of this study. I would like to thank the following people for their invaluable contributions over the past three years, in no particular order: To my supervisor, Prof. Louis du Preez I am indebted, not only for the help, guidance and support he has provided throughout this study, but also for his mentorship and example he set in all aspects of life. I also appreciate the help of my co-supervisor, Prof. Ché Weldon, for the numerous contributions, constructive comments and hours spent on proofreading. I owe thanks to all contributors for proofreading and language editing and thereby correcting my “boerseun” English grammar but also providing me with professional guidance. Prof. Louis du Preez, Prof. Ché Weldon, Dr. Andrew Hamer, Dr. Kirsten Parris, Prof. John Malone and Dr. Jeanne Tarrant are all dearly thanked for invaluable comments on earlier drafts of parts/the entirety of this thesis. For statistical contributions I am especially also grateful to Dr. Andrew Hamer for help with Bayesian analysis and to the North-West Statistical Services consultant, Dr. -
Chromosome Evolution in Three Brazilian Leptodactylus Species
Hereditas 146: 104Á111 (2009) Chromosome evolution in three Brazilian Leptodactylus species (Anura, Leptodactylidae), with phylogenetic considerations JOA˜ O REINALDO CRUZ CAMPOS1, FERNANDO ANANIAS2, CINTHIA AGUIRRE BRASILEIRO3, MARCOS YAMAMOTO4,CE´ LIO FERNANDO BAPTISTA HADDAD1 and SANAE KASAHARA1 1Instituto de Biocieˆncias, Univ. Estadual Paulista, UNESP, Rio Claro, SP, Brasil 2Univ.Sa˜o Francisco, Braganc¸a Paulista, SP, Brasil 3Museu de Histo´ria Natural, UNICAMP, Campinas, SP, Brasil 4Depto do Meio Ambiente, Votorantim Celulose e Papel S/A, Santa Branca, SP, Brasil Campos, J. R. C., Ananias, F., Brasileiro, C. A., Yamamoto, M., Haddad, C. F. B. and Kasahara, S. 2009. Chromosome evolution in three Brazilian Leptodactylus species (Anura, Leptodactylidae), with phylogenetic considerations. * Hereditas 0146: 104Á111. Lund, Sweden. eISSN 1601-5223. Received September 29, 2008. Accepted December 22, 2008 Karyotypic analyses on three species of the Leptodactylus from Brazil showed 2n24 in L.cf.marmoratus,2n23 in Leptodactylus sp. (aff. bokermanni), and 2n26 in L. hylaedactylus, with distinct numbers of bi and uni-armed chromosomes. Leptodactylus cf. marmoratus presented a variation as regard to the morphology of pair 12. All specimens of L.cf.marmoratus had Ag-NOR in pair 6, confirmed by FISH, but the sample from one of the localities presented additional Ag-NOR, in one of the chromosomes 8. In Leptodactylus sp. (aff. bokermanni) and L. hylaedactylus the chromosome pairs bearing Ag-NOR are 11 and 7, respectively. The C banding patterns are predominantly centromeric, but only in L. marmoratus this heterochromatin appeared very brilliant with DAPI. On the other hand, bright labelling was noticed with CMA3 in the three species, on the Ag-NOR site. -
Cfreptiles & Amphibians
HTTPS://JOURNALS.KU.EDU/REPTILESANDAMPHIBIANSTABLE OF CONTENTS IRCF REPTILES & AMPHIBIANSREPTILES • VOL15, & N AMPHIBIANSO 4 • DEC 2008 •189 28(1):44–46 • APR 2021 IRCF REPTILES & AMPHIBIANS CONSERVATION AND NATURAL HISTORY TABLE OF CONTENTS CubanFEATURE ARTICLES Green Anoles (Anolis porcatus): . Chasing Bullsnakes (Pituophis catenifer sayi) in Wisconsin: CommunalOn the Road to Understanding the Ecology Nestingand Conservation of the Midwest’s in Giant SerpentBromeliads ...................... Joshua M. Kapfer 190 . The Shared History of Treeboas (Corallus grenadensis) and Humans on Grenada: A Hypothetical Excursion ............................................................................................................................Robert W. Henderson 198 L. Yusnaviel García-Padrón RESEARCH ARTICLES Sociedad Espeleológica de Cuba, La Habana, Cuba; Sociedad Cubana de Zoología, La Habana 12000, Cuba ([email protected]) . The Texas Horned Lizard in Central and Western TexasPhotographs ....................... by the Emily author. Henry, Jason Brewer, Krista Mougey, 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 CONSERVATION ALERT noles (Anolis spp.) lay single eggs buried in soil, under (22º32'20"N, 83º50'04"W; WGS 84; elev. 230 m asl). All of . World’s Mammals in Crisis ............................................................................................................................................................ -
First Report of Cannibalism in The
WWW.IRCF.ORG/REPTILESANDAMPHIBIANSJOURNALTABLE OF CONTENTS IRCF REPTILES & IRCFAMPHIBIANS REPTILES • VOL 15,& NAMPHIBIANSO 4 • DEC 2008 •189 21(4):136–137 • DEC 2014 IRCF REPTILES & AMPHIBIANS CONSERVATION AND NATURAL HISTORY TABLE OF CONTENTS FEATURE ARTICLES First. Chasing Bullsnakes Report (Pituophis catenifer sayi) in Wisconsin:of Cannibalism in the 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: Saba AnoleA Hypothetical Excursion ( ............................................................................................................................Anolis sabanus), withRobert W. Hendersona Review 198 ofRESEARCH Cannibalism ARTICLES in West Indian Anoles . 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 1 2 .............................................Brian J. RobertCamposano, Powell Kenneth L. andKrysko, Adam Kevin M. Watkins Enge, Ellen M. Donlan, and Michael Granatosky 212 1Department of Biology, Avila University, Kansas City, Missouri 64145, USA ([email protected]) CONSERVATION ALERT 2Chizzilala Video Productions, Saba ([email protected]) . World’s Mammals in Crisis ............................................................................................................................................................