Download Amphibians and Reptiles of the Carolinas and Virginia by Jeffrey C. Beane, Alvin L. Braswell, Joseph C. Mitchell, PDF

By Jeffrey C. Beane, Alvin L. Braswell, Joseph C. Mitchell, William M. Palmer

Revised and up-to-date to mirror the most up-tp-date technological know-how, and together with 30 new species, this authoritative and finished quantity is the definitive advisor to the amphibians and reptiles of the Carolinas and Virginia. the recent version positive aspects 189 species of salamanders, frogs, crocodilians, turtles, lizards, and snakes, with up-to-date colour images, descriptions, and distribution maps for every species. it really is an quintessential consultant for zoologists, novice naturalists, environmentalists, backpackers, campers, hikers, and everybody drawn to the outdoors.

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Extra resources for Amphibians and Reptiles of the Carolinas and Virginia

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Holbrook was a South Carolinian by birth but had been raised in New BRIEF HISTORY OF HERPETOLOGY 33 England and educated at Brown University and the University of Pennsylvania, as well as in Edinburgh and Paris. In Paris a stay at the Jardin des Plantes brought him in contact with leading figures in biology who were influential in determining his later direction in natural history. Shortly after his arrival in Charleston, he became first professor of anatomy (1824) at the Medical College of the State of South Carolina, and about the same time he began work on North American Herpetology, destined to become a classic.

In late summer a female lays a string of 300 to 400 eggs in a depression dug by a male under a rock. Several females may deposit in the same nest, and choice nesting rocks may be used repeatedly over many years. ) long in late summer to early fall. ) long and 18 months old. Hellbenders eat mostly crayfish, earthworms, and aquatic insects. Active day and night, they are sometimes captured by anglers using live bait. Contrary to folklore, Hellbenders are harmless to humans. Long-lived animals, they are excellent indicators of stream quality.

Long. Almost all salamanders are voiceless. The chemical messengers (pheromones) secreted by hedonic glands evoke courtship and spawning behavior. Fertilization is external in the Hellbender and probably in the sirens. In all other species it is internal. The male deposits a packet of sperm on a gelatinous stalk (spermatophore), and the female clasps the packet with her cloaca. Salamanders typically undergo an aquatic larval stage lasting from a few days to several years, but in some plethodontids the larval stage is completed within the egg membrane prior to hatching.

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