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This profusely illustrated comprehensive key for identifying amphibians and reptiles from the continental United States and Canada incorporates a wealth of scientific findings. Since the first edition was published in 1998 and the second in 2012, the number of currently recognized species of native amphibians and reptiles in the area covered by this key has increased from 545 to 634 to 685, and the number of established non-native species has increased from 39 to 58 to 67. The increase in native taxa reflects the dynamic nature of modern systematics and the use of new (especially molecular) techniques to elucidate relationships and redefine species boundaries. The increase in non-native spec...
A profusely illustrated comprehensive key for identifying species of amphibians and reptiles from the continental United States and Canada.
A dichotomous key (that is, one that gives the user only two choices at each level of morphological scrutiny), it is designed for use in college-level herpetology or vertebrate biology courses. It will be especially useful as an effective tool for teaching the principles of taxonomy and for introducing students to the systematics of amphibians and reptiles.
"Grismer brings together an impressive amount of original field and laboratory research, supplemented with a thorough review of existing literature, to present a first-rate accounting of the Baja California herpetofauna. This book sets the stage for further research of the reptiles and amphibians of this remarkable region."—Robert Hansen, Editor, Herpetological Review "Grismer is without question the foremost authority on the herpetofauna of the Baja Peninsula; no one else could have produced such a detailed, comprehensive treatment of the amphibians and reptiles of the area. The book stands as a monument to Lee's many years of dedicated work on the Baja herpetofauna and will be the standard reference on the subject for many years to come."—Julian C. Lee, author of The Amphibians and Reptiles of the Yucatán Peninsula
The kingsnakes and milksnakes of the Lampropeltis genus have been among the most popular snakes in terrariums for many years. Their manageable body size, bright colors and comparatively uncomplicated husbandry requirements make most species of non-venomous snakes suitable for beginners in the terrarium hobby. In the past decade, new studies have led to extensive changes in the taxonomic systematics of the king snakes. This book summarizes the currently valid taxonomy of the entire genus Lampropeltis for the first time and thus pursues the approach of promoting the hitherto reluctant acceptance of the use of the valid nomenclature. The author has kept various species of kingsnakes and milksnakes for around 30 years and provides an insight into his husbandry and breeding methods.
Including both hymn-based and original compositions, this collection contains a treasure trove of deeply expressive music that aptly conveys the emotions of the Lent and Easter seasons. As is characteristic of Robert Powell's writing, these works will enrich your worship from penitence to glory.
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Ranging from the unfamiliar to the famous—from the inconspicuous, plankton-sucking Elktoe Mussel to the majestic, soaring Bald Eagle—endangered or threatened plants and animals of Kansas continue to play a vital, although diminished, role in the state's ecology. Providing, for the first time, easily accessible information for the professional naturalist and amateur nature lover alike, this guide highlights the habits and habitats of sixty plants and animals currently listed as endangered or threatened in Kansas and protected by state or federal law. The authors illuminate not only the common bond of these species—their precarious status—but also their widely varying routines, idiosyn...
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