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Reproductive Strategies and Developmental Patterns in Annelids (Developments in Hydrobiology #142)
by Adriaan W. C. Dorresteijn Wilfried WestheideThe fascination of the Annelida to scientists lies in the beauty of their structures and the functionality of their body plan, the tremendous adaptive radiation which has made it possible for these animals to colonize almost all marine, limnic and terrestrial biotopes. In doing so they have evolved a great variety of life forms, and their reproduction and development are correspondingly diverse, with many modes and patterns unique in the animal kingdom. In this special volume recent progress in this broad research area is presented by 26 specialists, in general through surveys or treatments of selected examples. Some of them review important annelid taxa such as the Nereididae, Syllidae, Spionidae, Cirratulidae, Clitellata, and Pogonophora; others analyse reproductive and developmental structures and phenomena in annelids, e.g. segmental organs, sex pheromones, oogenesis, mating systems, sperm types, life cycles, larval settlement, cleavage and symmetry of embryos, or discuss controversial approaches to annelid systematics. The book will be of interest to all zoologists who work with annelids as well as to embryologists and other researchers in reproductive biology.
Reproductive Strategies in Insects
by OmkarReproduction is one of the most inherent tasks that all living organisms are actively involved in. It forms the backbone of their existence with all evolutionary energies directed over billion years of creation into maximizing reproductive effort. For so simple and directed a need such as maximizing reproduction, it is interesting to see how much diversity and complexity exists in this task. Each organism despite having the same end goal employs different strategies. The complexities, intricacies and strategies of successful reproduction while being extremely fascinating are equally befuddling. Reproductive Strategies in Insects provides an expansive critical look at the reproductive strategies of the most diverse group of animals, the insects. Insects which inhabit myriad niches in all ecosystems except the oceans, show the most diverse reproductive strategies ranging from simplest to most complex. Reproductive strategies, viz., search for mates, number of mates, display of mate quality, assessment of mate quality, acceptance of mate, rejection of mates, forced copulations, the fight for paternity pre, during and post copula, the modulation of paternity, ovipositional strategies and parental care are described in detail in this book. Also, each strategy in analyzed in relation to its morphological, physiological, ethological, ecological and evolutionary aspects. Features: Covers a wide variety of reproductive strategies, A detailed step by step description of reproductive strategies. Discusses morphological, physiological, ethological, ecological and evolutionary aspects. Modulation of these strategies and responsible modulatory factors are also discussed. Well-illustrated. Recent research results and probable future research directions. This is a niche reference book for ethologists, biologists studying behavioural evolution and entomologists. It may also be used as a textbook for a graduate level course in behaviour.
Reproductive Strategies in Insects
by Omkar Geetanjali MishraReproduction is one of the most inherent tasks that all living organisms are actively involved in. It forms the backbone of their existence with all evolutionary energies directed over billion years of creation into maximizing reproductive effort. For so simple and directed a need such as maximizing reproduction, it is interesting to see how much diversity and complexity exists in this task. Each organism despite having the same end goal employs different strategies. The complexities, intricacies and strategies of successful reproduction while being extremely fascinating are equally befuddling. Reproductive Strategies in Insects provides an expansive critical look at the reproductive strategies of the most diverse group of animals, the insects. Insects which inhabit myriad niches in all ecosystems except the oceans, show the most diverse reproductive strategies ranging from simplest to most complex. Reproductive strategies, viz., search for mates, number of mates, display of mate quality, assessment of mate quality, acceptance of mate, rejection of mates, forced copulations, the fight for paternity pre, during and post copula, the modulation of paternity, ovipositional strategies and parental care are described in detail in this book. Also, each strategy in analyzed in relation to its morphological, physiological, ethological, ecological and evolutionary aspects. Features: Covers a wide variety of reproductive strategies, A detailed step by step description of reproductive strategies. Discusses morphological, physiological, ethological, ecological and evolutionary aspects. Modulation of these strategies and responsible modulatory factors are also discussed. Well-illustrated. Recent research results and probable future research directions. This is a niche reference book for ethologists, biologists studying behavioural evolution and entomologists. It may also be used as a textbook for a graduate level course in behaviour.
The Reptile Ear (Princeton Legacy Library #5348)
by Ernest Glen WeverIn this definitive work, Ernest Glen Wever establishes the evolutionary importance of the reptile ear as the origin of the higher type of auditory apparatus shared by man and the mammals. Tracing the development of the auditory receptor in the living reptiles, he examines the use of a variety of mechanisms and principles of action by that receptor. While some of the material in this book has appeared previously in journal articles, most of it is presented here for the first time.Basing this study on his twenty years of research at Princeton's Auditory Research Laboratories, Professor Wever treats in anatomical and functional detail the auditory mechanism in about 250 species and subspecies of reptiles. The anatomical treatment rests on dissections and histological examinations of the ears in serial section, and portrays the relevant features in drawings that represent particular views of reconstructions. The author evaluates the performance of thesse ears electrophysiologically, in terms of the electrical potentials of the cochlea, paying particular attention to problems of the transmission of vibrations inward to the cochlea and the actions there in stimulating the sensory cells.Professor Wever finds that the cochlea emerged independently from the non-auditory labyrinth in three different vertebrate groups: fishes, amphibians, and reptiles. It was among the reptiles, however, that the vertebrate ear took on a more advanced configuration from which it further evolved along separate lineages in the birds and mammals.Ernest Glen Wever is Eugene Higgins Professor of Psychology Emeritus at Princeton University.Originally published in 1978.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Reptile Medicine and Surgery - E-Book: Reptile Medicine and Surgery - E-Book
by Douglas R. Mader, MS, DVM, DABVPThis outstanding clinical reference provides valuable insights into solving clinical dilemmas, formulating diagnoses, developing therapeutic plans, and verifying drug dosages for both reptiles and amphibians. The information is outlined in an easy-to-use format for quick access that is essential for emergency and clinical situations. - Discusses veterinary medicine and surgery for both reptiles and amphibians - Features complete biology of snakes, lizards, turtles, and crocodilians - Provides step-by-step guidelines for performing special techniques and procedures such as anesthesia, clinical pathology, diagnostic imaging, euthanasia and necropsy, fracture management, soft tissue surgery, and therapeutics - Covers specific diseases and conditions such as anorexia, aural abscesses, and digit abnormalities in a separate alphabetically organized section - 53 expert authors contribute crucial information to the study of reptiles and offer their unique perspectives on particular areas of study - The expansive appendix includes a reptile and amphibian formulary - A new full-color format features a wealth of vivid images and features that highlight important concepts and bring key procedures to life - 29 new chapters covering diverse topics such as stress in captive reptiles, emergency and critical care, ultrasound, endoscopy, and working with venomous species - Many new expert contributors that share valuable knowledge and insights from their experiences in practicing reptile medicine and surgery - Unique coverage of cutting-edge imaging techniques, including CT and MRI
Reptile Medicine and Surgery in Clinical Practice
by Bob Doneley Robert Johnson Deborah Monks Brendan CarmelA concise and practical quick reference guide to treating reptiles in first opinion veterinary practice Reptile Medicine and Surgery in Clinical Practice is the ideal guide for the busy veterinarian treating reptile cases. Designed as a quick reference guide, but with comprehensive coverage of all the topics needed for first opinion practice, the book presents the principles of reptile medicine and surgery. Richly illustrated chapters cover anatomy, physiology, behaviour, husbandry, reproduction, common diseases and disorders, and much more. Application in a clinical setting is emphasized throughout, including guidance on the physical examination, diagnostic testing and imaging, treatment options, and anaesthetic and surgical techniques. Practical quick-reference guide—ideal for the busy, first-opinion veterinary practitioner Richly illustrated in full colour throughout Edited by a team of highly experienced exotic animal veterinarians Useful reference for those studying for postgraduate certificates in exotic animal medicine With contributions from experts around the globe, Reptile Medicine and Surgery in Clinical Practice is a valuable reference offering a balanced international view of herpetological medicine.
Reptile Medicine and Surgery in Clinical Practice
by Bob Doneley Deborah Monks Robert Johnson Brendan CarmelA concise and practical quick reference guide to treating reptiles in first opinion veterinary practice Reptile Medicine and Surgery in Clinical Practice is the ideal guide for the busy veterinarian treating reptile cases. Designed as a quick reference guide, but with comprehensive coverage of all the topics needed for first opinion practice, the book presents the principles of reptile medicine and surgery. Richly illustrated chapters cover anatomy, physiology, behaviour, husbandry, reproduction, common diseases and disorders, and much more. Application in a clinical setting is emphasized throughout, including guidance on the physical examination, diagnostic testing and imaging, treatment options, and anaesthetic and surgical techniques. Practical quick-reference guide—ideal for the busy, first-opinion veterinary practitioner Richly illustrated in full colour throughout Edited by a team of highly experienced exotic animal veterinarians Useful reference for those studying for postgraduate certificates in exotic animal medicine With contributions from experts around the globe, Reptile Medicine and Surgery in Clinical Practice is a valuable reference offering a balanced international view of herpetological medicine.
Reptiles (Engage Literacy Gold Ser.)
by Kelly GaffneyWhat is a reptile? How are they different from other types of animals? Find out what makes snakes, turtles, crocodiles and other reptiles so amazing. Explore their life cycles, their behaviours, where they live and what features they all have in common.
Reptiles and Amphibians: Self-Assessment Color Review, Second Edition (Veterinary Self-assessment Color Review Ser.)
by Fredric L. FryeMuch has happened in the 19 years since the publication of the first edition of Reptiles and Amphibians: Self-Assessment Color Review. Many more scientists and clinicians have taken an interest in reptiles and amphibians, novel radiographic techniques have been developed, and veterinary surgeons have devised operative solutions to numerous serious
Reptiles and Amphibians of New Zealand: A Field Guide (Princeton Field Guides)
by Dylan van Winkel Marleen Baling Rod HitchmoughPacked with extraordinary photographs, this ground-breaking book represents the first accessible field guide to the reptiles and amphibians of New Zealand, covering all 123 species.From the ancient tuatara to the world's largest collection of long-lived and live-bearing lizards, every species account includes an accurate distribution map and information on appearance, habitat, similar species and natural history. This definitive guide also features a comprehensive introduction to evolution, conservation, ecosystems and geographic history. This is the ultimate photographic field guide to New Zealand's herpetofauna, and is a gateway into the world of these fascinating tetrapods for amateur and expert herpetologists alike.
Reptiles and Amphibians of New Zealand
by Dylan van Winkel Marleen Baling Rod Hitchmough**WINNER OF THE BEST FIELD GUIDE AT THE WHITLEY AWARDS 2019**Packed with extraordinary photographs, this ground-breaking book represents the first accessible field guide to the reptiles and amphibians of New Zealand, covering all 123 species.From the ancient tuatara to the world's largest collection of long-lived and live-bearing lizards, every species account includes an accurate distribution map and information on appearance, habitat, similar species and natural history. This definitive guide also features a comprehensive introduction to evolution, conservation, ecosystems and geographic history. This is the ultimate photographic field guide to New Zealand's herpetofauna, and is a gateway into the world of these fascinating tetrapods for amateur and expert herpetologists alike.
Reptiles and Amphibians: Read It Yourself - Level 3 Confident Reader (Read It Yourself)
by LadybirdWhat do you know about reptiles and amphibians? Read all about colourful frogs, scaly snakes, snappy crocodiles, slimy salamanders and more amazing cold-blooded creatures. Reptiles and Amphibians is from Confident Reader Level 3 and is perfect for more confident readers aged from 6+ who can read simple stories with help.Each book has been carefully checked by educational and subject consultants and includes comprehension puzzles, book band information, and tips for helping children with their reading.With five levels to take children from first phonics to fluent reading and a wide range of different stories and topics for every interest, Read It Yourself helps children build their confidence and begin reading for pleasure.
Reptiles of Costa Rica: A Field Guide (Zona Tropical Publications)
by Twan LeendersReptiles of Costa Rica, the long-awaited companion to Amphibians of Costa Rica, is the first ever comprehensive field guide to the crocodilians, turtles, lizards, and snakes of Costa Rica. A popular destination for tourists and biologists because of its biodiversity, the country is particularly rich in reptile fauna, boasting 245 species. The sheer diversity in shapes, sizes, colors, and natural history traits of these animals is beautifully displayed in this book. Lizards range from minuscule dwarf geckos to dinosaur-like iguanids, and everything in between, while the country's snakes include tiny eyeless wormsnakes, massive boas, as well as twenty-three dangerously venomous species, which include the largest vipers in the world. Author, photographer, and conservation biologist Twan Leenders has been researching and documenting the herpetofauna of Costa Rica for nearly twenty-five years. His explorations have taken him to remote parts of Costa Rica that few people ever visit, journeys that usually find him hauling an array of photographic equipment to document his finds. In addition to including more than 1,000 photographs, detailed black and white scientific illustrations, and range maps, this book also features paintings of anole dewlaps, a key identification feature for that very complex group of lizards. This new field guide will enable the reader to identify all species, while also providing a wealth of information about natural history, predation, breeding strategies, habitat preferences, and conservation of Costa Rica's reptile fauna.
The Rescue: The Rescue (Guardians of Ga’Hoole #3)
by Kathryn LaskyThe owls of Ga'Hoole return in the third book of the series ready to battle new and far more dangerous threats. Based on Katherine Lasky's work with owls, this adventures series is bound to be a hit with kids. Join the owls in their quest to safeguard the owl kingdom from the encroaching evil!
Rescue Dogs
by Sally MuirFollowing the success of A Dog a Day and Old Dogs, Sally Muir returns with an adorable collection of beautiful rescue dog portraits that will melt even the coldest of hearts.
Rescue Me: An uplifting romantic comedy perfect for dog-lovers
by Sarra ManningMargot doesn't have time for love.Will is afraid to love.And neither of them are expecting to fall in love with Blossom: a gentle Staffy with a tragic past, a belly made for rubbing and a head the size of a football.After their first meeting at the rescue centre, both Margot and Will want to adopt Blossom so reluctantly agree to share custody. But Will's obsession for micro-managing and clear-cut boundaries and Margot's need to smother Blossom with affection, means that soon they have a very confused and badly behaved dog on their hands.Can they put their differences aside to become successful "co-pawrents" and maybe even friends? And meanwhile, does Blossom have plans of her own?
Rescue Me: The incredible true story of the abandoned Mastiff who became a movie star
by Julie TottmanThe second book in the Paws of Fame series.Monkey is a young Neapolitan Mastiff; larger than life, full of energy and eager to please. But his human doesn't like him. He shouts at him all the time - Monkey doesn't know why - and he won't feed him. Monkey's so hungry his ribs are showing. Eventually his owner gives him away, saying Monkey is too aggressive, and Monkey finds himself in a rescue centre where he's cared for - but by people who are scared of him.Meanwhile, up and coming animal trainer for the movies Julie Tottman is about to start filming Harry Potter and the Goblet of Fire, the fourth in the Harry Potter series, when crisis strikes: the dog playing Fang has dropped out. Julie needs to find a blue Neapolitan Mastiff to fill the part and fast. A big believer in rescuing dogs, she starts calling centres. As chance would have it, one in Northampton has a dog who might fit the bill - but he's supposed to be aggressive: too big a risk for a film set with children. But something tells Julie she should visit the dog first, just to be sure.When she sees the gangly Monkey bounding over to her to say hello and looking up at her gently as she tickles his ears, she knows she has to take a chance on him. He needs feeding up, love, attention and something to put his energy into - and she can give him all those things. But with the film just around the corner, can Monkey become the movie star Julie is looking for? Rescue Me is the incredible true story of what a dog can do when someone believes in them.
Rescue Me: My Life with the Battersea Dogs
by Melissa WarehamMelissa Wareham always wanted to work with dogs. After failing her biology O-level she realised she'd have to start at the bottom, cleaning out kennels at Battersea Dogs Home. From frail old men looking for a four-legged companion to famous folk who've lost their favourite hound, it seemed that at some point everyone passes through Battersea's doors. Amongst the clamour of thousands of lost pets crying 'Rescue Me!' and the noise of the railway lines above, Melissa found she had come home.The first dog Melissa fell for was Tulip, a sweet, elderly and somewhat dotty mongrel who decided a solo bus ride into the West End might be fun. Next up was Roscoe: found by the ambulance team with his dead owner, he is rehabilitated with a little help from his master's hat. And then - many, many dogs later - there is Gus. With his owner in jail, Melissa finally finds the dog she is to take home as her own.Heart-warming and compulsively readable, Rescue Me is Melissa's memoir of her fifteen years at Britain's most-loved dogs' home.
The Rescue of Belle and Sundance: One Town's Incredible Race to Save Two Abandoned Horses (A Merloyd Lawrence Book)
by Lawrence Scanlan Birgit StutzIn December 2008, snowmobilers spot two abandoned horses high in the Canadian Rockies. Starving and frostbitten, the horses have trampled the ten-foot-deep snow into a narrow white prison. Those who reach them bring hay but also a gun, in case the horses are too far gone. A glint of life in the horses&’ eyes earns them the hay.The harrowing yet inspiring story of their near impossible rescue--involving the volunteer efforts of an entire village, first the excavation of a trench six feet deep and over 3280 feet long, and then a nearly 20 mile descent at negative 40 degrees--is sure to be read in one breathless sitting.
The Rescue Princesses: The Enchanted Ruby (The Rescue Princesses)
by Paula HarrisonPrincess Scarlett has always longed for adventure. When two princesses come to stay at Bearbrook Castle, she takes her new friends to a secret island in the river to meet a special otter family. When a speeding boat injures a fluffy baby otter, the princesses must reunite him with his family. They'll need to learn some brilliant new ninja moves, and even solve a mystery!
The Rescue Princesses: The Golden Shell (The Rescue Princesses #12)
by Paula HarrisonPrincess Ella's a bit nervous about starting her new school. But Harebell Castle is great fun - especially as the girls all have their own pets! But when Ella's bunny, Daisy, disappears Ella needs the help of the Rescue Princesses. Perhaps the Golden Shell can show them where little Daisy is? They'll certainly need all their ninja moves to bring her home.
The Rescue Princesses: The Ice Diamond (The Rescue Princesses)
by Paula HarrisonPrincess Maya is delighted to welcome the Rescue Princesses to the Kingdom of Lepari. It's a beautiful land with snow leopards living in the mountains! These amazing animals are very rare, so when Maya and her friends discover that the big cats are in danger, they have to act fast. Can the magical Ice Diamond help the princesses to save the snow leopards...?
The Rescue Princesses: The Lost Gold (The Rescue Princesses)
by Paula HarrisonPrincess Isabella loves her rainforest kingdom and its amazing creatures. So she's very worried when treasure hunters start digging up the forest and scaring all the animals. A baby monkey becomes trapped and Isabella will need all her bravery to save it. Thank goodness she has the other Rescue Princesses to help her…
The Rescue Princesses: The Magic Rings (The Rescue Princesses)
by Paula HarrisonPrincess Lottie and her three friends are the new Rescue Princesses! And they're set for their first adventure… A beautiful foal has mysteriously disappeared from the palace stables. The girls have a plan of action but Lottie is worried. What if they're not brave enough? Or can't keep a secret? After all, it takes more than a few ninja moves to make a proper Rescue Princess...
The Rescue Princesses: The Rainbow Opal (The Rescue Princesses #11)
by Paula HarrisonPrincess Summer loves having her friends to stay - her Kingdom has lots of amazing animals in it and they are having a great time exploring. But it's the baby koala that really captures their hearts. So when it gets into danger, they know they're in for another Rescue Princesses adventure!