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Baby reptiles
Introduces various baby reptiles and discusses their birth, bodies, and habitats.
Book
The world's biggest reptiles
\"Carefully leveled text and engaging full-color photos introduce early fluent readers to the world's biggest reptiles, describing their physical features and behavior while comparing aspects of their size to everyday items familiar to young readers.\"-- Provided by publisher.
Book
Reptile biodiversity
From tiny, burrowing lizards to rainforest canopy-dwellers and giant crocodiles, reptile populations everywhere are changing. Yet government and conservation groups are often forced to make important decisions about reptile conservation and management based on inadequate or incomplete data. With contributions from nearly seventy specialists, this volume offers a comprehensive guide to the best methods for carrying out standardized quantitative and qualitative surveys of reptiles, while maximizing comparability of data between sites, across habitats and taxa, and over time. The contributors discuss each method, provide detailed protocols for its implementation, and suggest ways to analyze the data, making this volume an essential resource for monitoring and inventorying reptile abundance, population status, and biodiversity. Reptile Biodiversity covers topics including: • terrestrial, marine, and aquatic reptiles • equipment recommendations and limitations • ethics of monitoring and inventory activities • statistical procedures • designing sampling programs • using PDAs in the field
eBook
Name that reptile!
In this uniquely laid out book, readers learn the characteristics of reptiles and then are introduced to several different kinds.
Book
Interrogating Genomic-Scale Data for Squamata (Lizards, Snakes, and Amphisbaenians) Shows no Support for Key Traditional Morphological Relationships
Genomics is narrowing uncertainty in the phylogenetic structure for many amniote groups. For one of the most diverse and species-rich groups, the squamate reptiles (lizards, snakes, andamphisbaenians), an inverse correlation between the number of taxa and loci sampled still persists across all publications usingDNAsequence data and reaching a consensus on the relationships among them has been highly problematic. In this study, we use high-throughput sequence data from 289 samples covering 75 families of squamates to address phylogenetic affinities, estimate divergence times, and characterize residual topological uncertainty in the presence of genome-scale data. Importantly, we address genomic support for the traditional taxonomic groupings Scleroglossa and Macrostomata using novel machine-learning techniques. We interrogate genes using various metrics inherent to these loci, including parsimony-informative sites (PIS),phylogenetic informativeness, length, gaps, number of substitutions, and site concordance to understand why certain loci fail to find previously wellsupported molecular clades and how they fail to support species-tree estimates. We show that both incomplete lineage sorting and poor gene-tree estimation (due to a fewundesirable gene properties, such as an insufficient number of PIS), may account for most gene and species-tree discordance. We find overwhelming signal for Toxicofera, and also show that none of the loci included in this study supports Scleroglossa or Macrostomata.We comment on the origins and diversification of Squamata throughout theMesozoic and underscore remaining uncertainties that persist in both deeper parts of the tree (e.g., relationships between Dibamia, Gekkota, and remaining squamates; among the three toxicoferan clades Iguania, Serpentes, and Anguiformes) and within specific clades (e.g., affinities among gekkotan, pleurodont iguanians, and colubroid families).
Journal Article