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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences

Birds of Thailand (Paperback): Michael Webster Birds of Thailand (Paperback)
Michael Webster
R228 R177 Discovery Miles 1 770 Save R51 (22%) Shipped within 7 - 12 working days

Thailand is one of Asia's leading tourist destinations and a treasure trove for anyone interested in wildlife. This little guide to the birds of Thailand is an excellent introduction for birdwatchers, residents and visitors to the country alike. It covers 252 of the birds that are regularly seen in Thailand as well as a number of endemic species, with more than 250 photographs of the birds. Each photograph is accompanied by clear text explaining key identification points, voice, habitat and behaviour. Illustrated with clear colour photography and brief but authoritative descriptions the Pocket Photo Guides highlight the species of birds and animals from each region that the traveller is most likely to see, as well as those that are genuinely endemic (only to be seen in that country or region) or special rarities. The genuine pocket size allow the books to be carried around on trips and excursions and will take up minimal rucksack and suitcase space.

The Ravenmaster - My Life with the Ravens at the Tower of London (Paperback): Christopher Skaife The Ravenmaster - My Life with the Ravens at the Tower of London (Paperback)
Christopher Skaife 1
R345 R223 Discovery Miles 2 230 Save R122 (35%) Shipped within 7 - 12 working days

'Packed with insight and anecdote, his story brings the Tower ravens to vivid life, each bird with a personality of its own. I've been fortunate enough to tour the Tower and meet the ravens a few times in years past; after reading this book, I cannot wait to go back' George R. R. Martin For centuries, the Tower of London has been home to a group of famous avian residents: the ravens. Each year they are seen by millions of visitors, and they have become as integral a part of the Tower as its ancient stones themselves. But their role is even more important than that - legend has it that if the ravens should ever leave, the Tower will crumble into dust, and great harm will befall the kingdom. One man is personally responsible for ensuring that such a disaster never comes to pass - the Ravenmaster. The current holder of the position is Yeoman Warder Christopher Skaife, and in this fascinating, entertaining and touching book he memorably describes the ravens' formidable intelligence, their idiosyncrasies and their occasionally wicked sense of humour. Over the years in which he has cared for the physical and mental well-being of these remarkable birds, Christopher Skaife has come to know them like no one else. They are not the easiest of charges - as he reveals, they are much given to mischief, and their escapades have often led him into unlikely, and sometimes even undignified, situations. Now, in the first intimate behind-the-scenes account of life with the ravens of the Tower, the Ravenmaster himself shares the folklore, history and superstitions surrounding both the birds and their home. The result is a compelling, inspiring and irreverent story that will delight and surprise anyone with an interest in British history or animal behaviour.

Insects of Southern Africa (Hardcover): C. Scholtz, E. Holm Insects of Southern Africa (Hardcover)
C. Scholtz, E. Holm
R695 R628 Discovery Miles 6 280 Save R67 (10%) Shipped within 10 - 15 working days

Southern Africa has a particularly rich and varied insect fauna of 26 orders, 579 families and about 80 000 species currently recorded. The wealth of information on the systematics and biology of southern African insect groups has not been comprehensively treated before and is here condensed by 48 contributors, each of whom is an authority on a particular group. A work of this nature requires a balance between scientific accuracy and utility so that the information will be easily accessible and comprehensible to professional and amateur entomologists alike. In this work, the scientist will find enough general information to lead him or her to more detailed works while the amateur entomologist will find sufficient explanation in the text, beautiful colour illustrations and glossary.

Galapagos - Preserving Darwin's Legacy (Hardcover): Tui De Roy Galapagos - Preserving Darwin's Legacy (Hardcover)
Tui De Roy
R931 R699 Discovery Miles 6 990 Save R232 (25%) Shipped within 7 - 12 working days

This sumptuous large-format book was first produced in 2009 to celebrate the 50th anniversary of the foundation of the Charles Darwin Foundation on Galapagos. The book comprises a series of invited essays under the editorship of world-renowned photographer and long-term Galapagos resident, Tui de Roy, who has also provided most of the photographs. The authoritative essays cover the entire spectrum of Galapagos wildlife including the marine environment, unique vegetation such as sunflower trees as well as wildlife including giant tortoises, marine iguanas, sea lions and the Galapagos finches that inspired Darwin's theory of evolution. This new edition has significant updates to a number of chapters including brand new photography and information about scientific developments elsewhere and a new jacket.

Field Guide to the Flower Flies of Northeastern North America (Paperback): Jeffrey H Skevington, Michelle M. Locke, Andrew D... Field Guide to the Flower Flies of Northeastern North America (Paperback)
Jeffrey H Skevington, Michelle M. Locke, Andrew D Young, Kevin Moran, William J Crins, …
R510 R377 Discovery Miles 3 770 Save R133 (26%) Shipped within 7 - 11 working days

A groundbreaking guide to flower flies in North America This is the first comprehensive field guide to the flower flies (also known as hover flies) of northeastern North America. Flower flies are, along with bees, our most important pollinators. Found in a varied range of habitats, from backyard gardens to aquatic ecosystems, these flies are often overlooked because many of their species mimic bees or wasps. Despite this, many species are distinctive and even subtly differentiated species can be accurately identified. This handy and informative guide teaches you how. With more than 3,000 color photographs and 400 maps, this guide covers all 416 species of flower flies that occur north of Tennessee and east of the Dakotas, including the high Arctic and Greenland. Each species account provides information on size, identification, abundance, and flight time, along with notes on behavior, classification, hybridization, habitats, larvae, and more. Summarizing the current scientific understanding of our flower fly fauna, this is an indispensable resource for anyone, amateur naturalist or scientist, interested in discovering the beauty of these insects. - 3000+ color photos (field and museum shots) - Multiple images per species, with arrows highlighting key field marks - Grayscale images showing the actual size of the insect - Range maps for each species - Information on size, identification features, abundance, flight times, and more

Nature's Giants - The Biology and Evolution of the World's Largest Lifeforms (Hardcover): Graeme D. Ruxton Nature's Giants - The Biology and Evolution of the World's Largest Lifeforms (Hardcover)
Graeme D. Ruxton; Foreword by Norman Owen-Smith
R617 R505 Discovery Miles 5 050 Save R112 (18%) Shipped within 7 - 11 working days

A beautifully illustrated exploration of the science behind the awe-inspiring giants of past and present

The colossal plants and animals of our world-dinosaurs, whales, and even trees-are a source of unending fascination, and their sheer scale can be truly impressive. Size is integral to the way that organisms experience the world: a puddle that a human being would step over without thinking is an entire world to thousands of microscopic rotifers. But why are creatures the size that they are? Why aren't bugs the size of elephants, or whales the size of goldfish?

In this lavishly illustrated new book, biologist Graeme Ruxton explains how and why nature's giants came to be so big-for example, how decreased oxygen levels limited the size of insects and how island isolation allowed small-bodied animals to evolve larger body sizes. Through a diverse array of examples, from huge butterflies to giant squid, Ruxton explores the physics, biology, and evolutionary drivers behind organism size, showing what it's like to live large.

What It's Like to Be a Dog - And Other Adventures in Animal Neuroscience (Paperback): Gregory Berns What It's Like to Be a Dog - And Other Adventures in Animal Neuroscience (Paperback)
Gregory Berns 1
R215 R176 Discovery Miles 1 760 Save R39 (18%) Shipped within 4 - 8 working days

What does your dog really think about you?

To find out, Gregory Berns became the first neuroscientist to persuade dogs to lie in an MRI machine wide awake. Now we know more about our best friends than ever before – how varying capacities for self-control and different value systems set them apart as individuals, and how deeply they understand the words we speak to them. Berns’ discoveries have profound implications for how we communicate with and treat these beloved animals.

But he didn’t stop there. Berns also delves into the inner lives of sea lions, bats, dolphins, and even the extinct Tasmanian tiger. His revolutionary explorations are essential reading for animal lovers of all stripes.

Forest Entomology - A Global Perspective (Hardcover, New): William M Ciesla Forest Entomology - A Global Perspective (Hardcover, New)
William M Ciesla
R2,173 R1,542 Discovery Miles 15 420 Save R631 (29%) Shipped within 7 - 13 working days

Insects are the most abundant and diverse organisms that inhabit our planet and are found in all the world's forest ecosystems. Many feed and/or breed on parts of trees. Some perform important functions, such as pollination or break-down of dead vegetation. Others weaken, deform or kill trees, and compete with humans for the many goods and services that trees and forests provide. "Forest" "Entomology: A Global Perspective" examines forest insects in a global context and reviews their dynamics, interactions with humans and methods for monitoring and management of species that damage forests. Also provided are 235 profiles of forest insects, worldwide. A series of tables provides summaries of the distribution and hosts of many more species. Included are those that damage forests, others that are simply curiosities and some that are beneficial. This book is designed as a reference for students, practicing foresters and forest health specialists, especially for those who work internationally or are concerned with species that have the potential to expand their ranges via international trade, travel or environmental changes.

Why Animals Matter - Animal consciousness, animal welfare, and human well-being (Hardcover): Marian Stamp Dawkins Why Animals Matter - Animal consciousness, animal welfare, and human well-being (Hardcover)
Marian Stamp Dawkins 1
R395 R300 Discovery Miles 3 000 Save R95 (24%) Shipped within 7 - 12 working days

In a world increasingly concerned with climate change, food security, and other human issues, the welfare of non-human animals is in danger of being overlooked and side-lined. Using the latest scientific research on animal consciousness and emotions, Marian Stamp Dawkins argues that if animal welfare is to be taken seriously by world opinion, it needs a complete rethink. She asks important questions such as: are we justified in projecting human emotions on to animals? What can science tell us about their quality of life? She concludes that we need to place less emphasis on the conscious experience of suffering in animals, and more emphasis on the practical importance of animal welfare to human health and human well-being. This requires a long, hard look at some of the cherished ideas we hold about animal emotions, and what we can and cannot know about the conscious experiences of other animals.

The Howard and Moore Complete Checklist of the Birds of the World, Volume 2 - Passerines (Hardcover, 4th Revised edition):... The Howard and Moore Complete Checklist of the Birds of the World, Volume 2 - Passerines (Hardcover, 4th Revised edition)
Edward C. Dickinson, Les Christidis, J.V. Remsen
R1,435 R1,304 Discovery Miles 13 040 Save R131 (9%) Shipped within 7 - 12 working days

This is a new edition of the major reference work and most respected scientific checklist of birds. It has been updated to reflect the considerable change in our understanding of the evolution of birds derived from the study of their DNA over the past decade.

Freshwater Fishes of the Northeastern United States - A Field Guide (Hardcover, New): Robert G. Werner Freshwater Fishes of the Northeastern United States - A Field Guide (Hardcover, New)
Robert G. Werner
R908 R696 Discovery Miles 6 960 Save R212 (23%) Shipped within 7 - 11 working days

Informative, accurate, and easily comprehended by the scientist and the layperson, this book will be a useful tool for anyone interested in northeastern United States fish identification, life history, and distribution. Robert G. Werner presents the most current information available to aid in identifying the most distinguishable characteristics. The guide includes illustrations that accurately depict the morphology and color of fishes in the region. A source of detailed information, the book goes beyond simple identification to include complete species and reference lists.

The Sound of a Wild Snail Eating (Paperback): Elisabeth Tova Bailey The Sound of a Wild Snail Eating (Paperback)
Elisabeth Tova Bailey
R265 R199 Discovery Miles 1 990 Save R66 (25%) Shipped within 7 - 11 working days
Handbook of Agricultural Entomology (Hardcover, New): Helmut F. van Emden Handbook of Agricultural Entomology (Hardcover, New)
Helmut F. van Emden
R2,070 R1,466 Discovery Miles 14 660 Save R604 (29%) Shipped within 7 - 13 working days

"Handbook of Agricultural Entomology" by Helmut van Emden is a landmark publication for students and practitioners of entomology applied to agriculture and horticulture. It can be used as a reference and as a general textbook.

The book opens with a general introduction to entomology and includes coverage of the major insects (and mites) that cause harm to crops, livestock and humans. The important beneficial species are also included. Organisms are described in a classification of insect Orders and Families. The emphasis is on morphological characters of major taxonomic divisions, "spot characters" for the recognition of Families, and the life histories, damage symptoms and economic importance of the various pest species.

The book is beautifully illustrated in full colour with more than 400 figures showing both the organisms and the damage caused to plants with diagnostic characters indicated by arrows. Coverage is world-wide and includes much material stemming from the vast personal experience of the author.A companion website with additional resources is available at www.wiley.com/go/vanemden/agriculturalentomology

Tracks and Signs of the Animals and Birds of Britain and Europe (Paperback): Lars-Henrik Olsen Tracks and Signs of the Animals and Birds of Britain and Europe (Paperback)
Lars-Henrik Olsen
R477 R334 Discovery Miles 3 340 Save R143 (30%) Shipped within 7 - 12 working days

This beautifully illustrated field guide enables you to easily identify the tracks and signs left by a wide variety of mammal and bird species found in Britain and Europe, covering behaviors ranging from hunting, foraging, and feeding to courtship, breeding, and nesting. Introductory chapters offer detailed drawings of footprints and tracks of large and small mammals, which are followed by sections on mammal scat, bird droppings, and the feeding signs of animals on food sources such as nuts, cones, and rose hips. The book then describes specific mammal species, providing information on size, distribution, behavior, habitat, and similar species, as well as more specific detail on tracks and scat. Distribution maps are also included.

This indispensable field guide covers 175 species of mammals and birds, and features a wealth of stunning color photos and artwork throughout.Helps you easily identify the tracks and signs of a variety of mammals and birdsCovers 175 speciesIllustrated throughout with photos, drawings, and artworkncludes informative descriptions of mammal species along with distribution maps

Roberts bird guide (Hardcover, 2nd ed): Hugh Chittenden, Greg Davies, Ingrid Weiersbye Roberts bird guide (Hardcover, 2nd ed)
Hugh Chittenden, Greg Davies, Ingrid Weiersbye
R320 R254 Discovery Miles 2 540 Save R66 (21%) Shipped within 4 - 10 working days

The Roberts Bird Guide (2nd Edition) has gone to great trouble to concentrate on, and illustrate, difficult-to-identify species and family groups such as raptors, warblers, cisticolas and waders. Special attention has been given to make sure there is far greater coverage of male-female differences and there are also many more juvenile illustrations. Unlike all previously published southern African bird guides, this new edition will be scattered with informative photographs that are incorporated in the text pages and each plate illustration is augmented with an introduction. Apart from the approximately 240 plate spreads, the guide also has 12 photographic and illustrated double spreads that show head enlargements and other details. Plates are annotated far more definitively than other guides highlighting key identification features, especially for difficult-to-identify species.

Aqualog Loricariidae: All L-numbers (Hardcover, 2nd New edition): Erwin Schraml, Frank Schafer Aqualog Loricariidae: All L-numbers (Hardcover, 2nd New edition)
Erwin Schraml, Frank Schafer
R690 R557 Discovery Miles 5 570 Save R133 (19%) Shipped within 7 - 12 working days
Birds of Central America - Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama (Paperback): Andrew... Birds of Central America - Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama (Paperback)
Andrew Vallely, Dale Dyer
R935 R679 Discovery Miles 6 790 Save R256 (27%) Shipped within 7 - 11 working days

The first comprehensive field guide to the birds of Central America Birds of Central America is the first comprehensive field guide to the avifauna of the entire region, including Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama. Handy and compact, the book presents text and illustrations for nearly 1,200 resident and migrant species, and information on all rare vagrants. Two hundred sixty detailed plates on convenient facing-page spreads depict differing ages and sexes for each species, with a special focus on geographic variation. The guide also contains up-to-date range maps and concise notes on distribution, habitat, behavior, and voice. An introduction provides a brief overview of the region (TM)s landscape, climate, and biogeography. The culmination of more than a decade of research and field experience, Birds of Central America is an indispensable resource for all those interested in the bird life of this part of the world. Detailed information on the entire avifauna of Central America 260 beautiful color plates Range maps, text, and illustrations presented on convenient facing-page spreads Up-to-date notes on distribution supported by an extensive bibliography Special focus on geographic variation of bird species

How to Give Up Plastic - A Guide to Changing the World, One Plastic Bottle at a Time. From the Head of Oceans at Greenpeace and... How to Give Up Plastic - A Guide to Changing the World, One Plastic Bottle at a Time. From the Head of Oceans at Greenpeace and spokesperson for their anti-plastic campaign (Hardcover)
Will McCallum 1
R320 R252 Discovery Miles 2 520 Save R68 (21%) Shipped within 4 - 8 working days

As read by James Corden, Fearne Cotton, Jim Chapman and Dougie Poytner. 'We have a responsibility, every one of us' David Attenborough Around 12.7 million tonnes of plastic are entering the ocean every year, killing over 1 million seabirds and 100,000 marine mammals. By 2050 there could be more plastic in the ocean than fish by weight. Plastic pollution is the environmental scourge of our age, but how can YOU make a difference? This accessible guide, written by the campaigner at the forefront of the anti-plastic movement, will help you make the small changes that make a big difference, from buying a reusable coffee cup to running a clean-up at your local park or beach. Tips on giving up plastic include: * Washing your clothes within a wash bag to catch plastic microfibers (the cause of 30% of plastic pollution in the ocean) * Replacing your regular shampoo with bar shampoo * How to lobby your supermarket to remove unnecessary packaging * How to throw a plastic-free birthday party * How to convince others to join you in giving up plastic Plastic is not going away without a fight. We need a movement made up of billions of individual acts, bringing people together from all backgrounds and all cultures, the ripples of which will be felt from the smallest village to the tallest skyscrapers. This is a call to arms - to join forces across the world and to end our dependence on plastic. #BreakFreeFromPlastic Plastic is not going away without a fight. We need a movement made up of billions of individual acts, bringing people together from all backgrounds and all cultures, the ripples of which will be felt from the smallest village to the tallest skyscrapers. 'Plastic waste is one of the greatest environmental challenges facing the world' Theresa May 'As Head of Oceans at Greenpeace, Will is on the front line of humanity's global fight against plastic. This timely book not only explains how we got into this mess, but most importantly offers an optimistic and proactive approach as to how we can get out of it'. - Richard Walker, Managing Director at Iceland

The Wisdom of Wolves (Hardcover): Jim Dutcher, Jamie Dutcher The Wisdom of Wolves (Hardcover)
Jim Dutcher, Jamie Dutcher
R414 R257 Discovery Miles 2 570 Save R157 (38%) Shipped within 7 - 12 working days

From the world-famous couple who lived alongside a three-generation wolf pack, this book of inspiration, drawn from the wild, will fascinate animal and nature lovers alike. For six years Jim and Jamie Dutcher lived intimately with a pack of wolves, gaining their trust as no one has before. In this book the Dutchers reflect on the virtues they observed in wolf society and behavior. Each chapter exemplifies a principle, such as kindness, teamwork, playfulness, respect, curiosity, and compassion. Their heartfelt stories combine into a thought-provoking meditation on the values shared between the human and the animal world. Occasional photographs bring the wolves and their behaviors into absorbing focus.

Birds of Sri Lanka (Paperback): Gehan de Silvia Wijeyeratne, Deepal Warakagoda Birds of Sri Lanka (Paperback)
Gehan de Silvia Wijeyeratne, Deepal Warakagoda; Illustrated by T.S.U.De Zylva
R229 R177 Discovery Miles 1 770 Save R52 (23%) Shipped within 7 - 12 working days

A compact, easy-to-use bird identification guide for any nature watcher on a visit to Sri Lanka, a rich and satisfying destination for watching birds with more than 430 species identified on the island. A total of 252 species is described here in detail, from the Black-rumped Flameback to the Ceylon Blue Magpie. All of these birds are clearly illustrated in a collection of specially commissioned colour photographs. With almost 300 full-colour photographs, easy-to-use thumbnail family silhouettes, a regional distribution map and handy tips on the best birding localities. Illustrated with clear colour photography and brief but authoritative descriptions the Pocket Photo Guides highlight the species of birds and animals from each region that the traveller is most likely to see, as well as those that are genuinely endemic (only to be seen in that country or region) or special rarities. The genuine pocket size allow the books to be carried around on trips and excursions and will take up minimal rucksack and suitcase space.

Dragonflies and Damselflies - A Natural History (Hardcover): Dennis Paulson Dragonflies and Damselflies - A Natural History (Hardcover)
Dennis Paulson
R543 R398 Discovery Miles 3 980 Save R145 (27%) Shipped within 7 - 11 working days

A lavishly illustrated introduction to the world's dragonflies and damselflies Dragonflies and damselflies are often called birdwatchers (TM) insects. Large, brightly colored, active in the daytime, and displaying complex and interesting behaviors, they have existed since the days of the dinosaurs, and they continue to flourish. Their ancestors were the biggest insects ever, and they still impress us with their size, the largest bigger than a small hummingbird. There are more than 6,000 odonate species known at present, and you need only visit any wetland on a warm summer day to be enthralled by their stunning colors and fascinating behavior. In this lavishly illustrated natural history, leading dragonfly expert Dennis Paulson offers a comprehensive, accessible, and appealing introduction to the world (TM)s dragonflies and damselflies. The book highlights the impressive skills and abilities of dragonflies and damselflies "superb fliers that can glide, hover, cruise, and capture prey on the wing. It also describes their arsenal of tactics to avoid predators, and their amazing sex life, including dazzling courtship displays, aerial mating, sperm displacement, mate guarding, and male mimicry. Dragonflies and Damselflies includes profiles of more than fifty of the most interesting and beautiful species from around the world. Learn about the Great Cascade Damsel, which breeds only at waterfalls, the mesmerizing flight of Blue-winged Helicopters, and how the larva of the Common Sanddragon can burrow into sand as efficiently as a mole. Combining expert text and excellent color photographs, this is a must-have guide to these remarkable insects. A lavishly illustrated, comprehensive, and accessible natural history that reveals the beauty and diversity of one of the world (TM)s oldest and most popular insect groups Offers a complete guide to the evolution, life cycles, biology, anatomy, behavior, and habitats of dragonflies and damselflies Introduces the 39 families of dragonflies and damselflies through exemplary species accounts Features tips on field observation and lab research, and information on threats and conservation

The Ascent of Birds - How Modern Science is Revealing their Story (Paperback): John Reilly The Ascent of Birds - How Modern Science is Revealing their Story (Paperback)
John Reilly
R442 Discovery Miles 4 420 Shipped within 7 - 11 working days

When and where did the ancestors of modern birds evolve? What enabled them to survive the meteoric impact that wiped out the dinosaurs? How did these early birds spread across the globe and give rise to the 10,600-plus species we recognise today - from the largest ratites to the smallest hummingbirds? Based on the latest scientific discoveries and enriched by personal observations, The Ascent of Birds sets out to answer these fundamental questions. The Ascent of Birds is divided into self-contained chapters, or stories, that collectively encompass the evolution of modern birds from their origins in Gondwana, over 100 million years ago, to the present day. The stories are arranged in chronological order, from tinamous to tanagers, and describe the many dispersal and speciation events that underpin the world's 10,600-plus species. Although each chapter is spearheaded by a named bird and focuses on a specific evolutionary mechanism, the narrative will often explore the relevance of such events and processes to evolution in general. The book starts with The Tinamou's Story, which explains the presence of flightless birds in South America, Africa, and Australasia, and dispels the cherished role of continental drift as an explanation for their biogeography. It also introduces the concept of neoteny, an evolutionary trick that enabled dinosaurs to become birds and humans to conquer the planet. The Vegavis's Story explores the evidence for a Cretaceous origin of modern birds and why they were able to survive the asteroid collision that saw the demise not only of dinosaurs but of up to three-quarters of all species. The Duck's Story switches to sex: why have so few species retained the ancestral copulatory organ? Or, put another way, why do most birds exhibit the paradoxical phenomenon of penis loss, despite all species requiring internal fertilisation? The Hoatzin's Story reveals unexpected oceanic rafting from Africa to South America: a stranger-than-fiction means of dispersal that is now thought to account for the presence of other South American vertebrates, including geckos and monkeys. The latest theories underpinning speciation are also explored. The Manakin's Story, for example, reveals how South America's extraordinarily rich avifauna has been shaped by past geological, oceanographic and climatic changes, while The Storm-Petrel's Story examines how species can evolve from an ancestral population despite inhabiting the same geographical area. The thorny issue of what constitutes a species is discussed in The Albatross's Story, while The Penguin's Story explores the effects of environment on phenotype - in the case of the Emperor penguin, the harshest on the planet. Recent genomic advances have given scientists novel approaches to explore the distant past and have revealed many unexpected journeys, including the unique overland dispersal of an early suboscine from Asia to South America (The Sapayoa's Story) and the blackbird's ancestral sweepstake dispersals across the Atlantic (The Thrush's Story). Additional vignettes update more familiar concepts that encourage speciation: sexual selection (The Bird-of-Paradise's Story); extended phenotypes (The Bowerbird's Story); hybridisation (The Sparrow's Story); and 'great speciators' (The White-eye's Story). Finally, the book explores the raft of recent publications that help explain the evolution of cognitive skills (The Crow's Story); plumage colouration (The Starling's Story); and birdsong (The Finch's Story)

Birds of Bhutan and the Eastern Himalayas (Paperback): Carol Inskipp, Tim Inskipp Birds of Bhutan and the Eastern Himalayas (Paperback)
Carol Inskipp, Tim Inskipp 1
R701 R523 Discovery Miles 5 230 Save R178 (25%) Shipped within 7 - 12 working days

The nation of Bhutan and the Indian states of Sikkim and Arunachal Pradesh together form the eastern arm of the Himalayas. This book is the definitive field guide to the birds of this magical corner of Asia. Covers all 809 species that regularly occur in the region, including most vagrants. 152 superb colour plates, with text on facing pages for quick and easy reference. Concise text covering identification, voice, habits, habitats, distribution and status. Introduction includes information habitats, birding sites and conservation.

Invasive Pythons in the United States - Ecology of an Introduced Predator (Paperback, New): Michael E Dorcas, John D Willson Invasive Pythons in the United States - Ecology of an Introduced Predator (Paperback, New)
Michael E Dorcas, John D Willson; Foreword by Whit Gibbons
R476 R378 Discovery Miles 3 780 Save R98 (21%) Shipped within 7 - 11 working days

Most people think of pythons as giant snakes in distant tropical jungles, but Burmese pythons, which can reach lengths of over twenty feet and weigh over two hundred pounds, are now thriving in southern Florida. These natives of Asia are commonly kept as pets and presumably escaped or were released in the Everglades. Pythons are now common in this region; widespread throughout hundreds of square miles, they are breeding and appear to be expanding their range. Pythons are voracious predators that feed on a variety of native wildlife including wading birds, bobcats, white-tailed deer, and even alligators. Their presence has drawn dramatic media attention and stoked fears among the public that pythons may threaten not just native species but humans as well. Despite this widespread concern, information on pythons has been limited to a few scientific publications and news coverage that varies widely in fact and accuracy. With Invasive Pythons in the United States, Michael E. Dorcas and John D. Willson provide the most reliable, up-to-date, and scientifically grounded information on invasive pythons. Filled with over two hundred color photographs and fifteen figures and maps, the book will help general readers and the scientific community better understand these fascinating animals and their troubling presence in the United States. Features information on general python biology biology of Burmese pythons in their native range research on pythons in the United States history and status of introduced pythons in Florida risks pythons pose in Florida and elsewhere methods to control python populations other boas and pythons that may become or are already established in the United States

The Reef Guide - Fishes, Corals, Nudibranchs & Other Invertebrates (Paperback): Dennis King, Valda Fraser The Reef Guide - Fishes, Corals, Nudibranchs & Other Invertebrates (Paperback)
Dennis King, Valda Fraser
R320 R252 Discovery Miles 2 520 Save R68 (21%) Shipped within 4 - 8 working days

The Reef Guide documents some 800 reef fishes and invertebrates found along the east and south coasts of southern Africa.

Following on the success of Dennis King’s earlier two titles, this impressive new guide features 578 species of fish and includes sections on anemones, starfish, snails, crabs and shrimps.

Full-colour photographs and descriptive text for each species, along with useful and interesting information, make for easy identification. While focusing on southern Africa, the book is also applicable to the entire east coast of Africa, as well as the islands of the western Indian Ocean – Seychelles, Mauritius, Reunion, Madagascar, the Comoros and the Maldives.

Indispensable for divers, snorkelers and rock-pool enthusiasts, as well as fishermen and marine aquarists.

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