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The Dusky Dolphin: Master Acrobat Off Different Shores covers various topics about the dusky dolphin, including its taxonomy, history and demography, ecology, and behavior. After introducing the dusky dolphin as a member of the genus Lagenorhynchus under the family Delphinidae, the book continues by describing its life history, its demographic patterns, and its role in the food web considering predation, parasitism, and competition. The book also includes chapters that discuss the interaction of the dusky dolphin with its habitats, such as the dusky dolphin’s sound production, its foraging at night and in daylight, its survival strategies in response to predator threats, the mating habits of New Zealand duskies, calf rearing, sexual segregation, and genetic relationships. Other chapters address the interaction of dusky dolphins with humans. This book offers information about dusky dolphins off Southern Africa and discussions about the patterns of sympatry in Lagenorhynchus and Cephalorhynchus. Finally, comparisons between dusky dolphins and great apes as large-brained mammals are also reviewed in this book. Only book fully devoted to the southern hemisphere "dusky" dolphin Heavily illustrated with charts, figures, tables, and all color photos Written by a cadre of experts intimately familiar with dolphin field work Written in an accurate yet accessible style for the scientist and natural historian alike
This book concentrates on the marine mammalian group of Odontocetes, the toothed whales, dolphins, and porpoises. In 23 chapters, a total of 40 authors describe general patterns of ethological concepts of odontocetes in their natural environments, with a strong bent towards behavioral ecology. Examples are given of particularly well-studied species and species groups for which enough data exist, especially from the past 15 years. The aim is to give a modern flavor of present knowledge of ethology and behavior of generally large-brained behaviorally flexible mammals that have evolved quite separately from social mammals on land. As well, the plight of populations and species due to humans is described in multiple chapters, with the goal that an understanding of behavior can help to solve or alleviate at least some human-made problems.
This thorough revision of the classic Encyclopedia of Marine Mammals brings this authoritative book right up-to-date. Articles describe every species in detail, based on the very latest taxonomy, and a host of biological, ecological and sociological aspects relating to marine mammals. The latest information on the biology, ecology, anatomy, behavior and interactions with man is provided by a cast of expert authors – all presented in such detail and clarity to support both marine mammal specialists and the serious naturalist. Fully referenced throughout and with a fresh selection of the best color photographs available, the long-awaited second edition remains at the forefront as the go-to reference on marine mammals. More than 20% NEW MATERIAL includes articles on Climate Change, Pacific White-sided Dolphins, Sociobiology, Habitat Use, Feeding Morphology and more Over 260 articles on the individual species with topics ranging from anatomy and behavior, to conservation, exploitation and the impact of global climate change on marine mammals New color illustrations show every species and document topical articles FROM THE FIRST EDITION “This book is so good...a bargain, full of riches...packed with fascinating up to date information. I recommend it unreservedly it to individuals, students, and researchers, as well as libraries." --Richard M. Laws, MARINE MAMMALS SCIENCE "...establishes a solid and satisfying foundation for current study and future exploration" --Ronald J. Shusterman, SCIENCE
Interactions between humans and dusky dolphins in the coastal waters of New Zealand are increasing. My research focused on tourism interactions, with Kaikoura as the study site; and, on habitat use in an active aquaculture area, with Admiralty Bay as the study site. In Kaikoura, companies engaged in commercial cetacean tourism (For Hire Company) have permits issued by the New Zealand's Department of Conservation, allowing them to take paying customers out to view and swim with wild dusky dolphins. During summer and fall of 2005, I assessed the effectiveness of a voluntary 'rest period' established to give time free of humans to the dolphins. I used a theodolite to track the movements of large groups of dusky dolphins and recorded the arrival, departure and behaviors of all vessels approaching within 400 m of the group. The 'rest period' resulted in a reduction of vessel visits compared to non-rest periods, yet one For Hire Company and private recreational vessels continued to visit dusky dolphin groups during this time. To increase compliance with the voluntary regulation, more education is needed targeting private recreational vessels. Weekend traffic was higher compared to weekday traffic, during both rest and non-rest periods; a large increase occurred in weekend non-commercial vessel traffic. Swimming with calves is prohibited by New Zealand's Marine Mammal Protection Regulations of 1992, yet 71.4 percent of the swim attempts I observed on-board For Hire Company tours were conducted with groups containing calves. More should be done to reduce the number of swims conducted with groups of dusky dolphins containing calves. In winter of 2005, I used hourly theodolite scans to record the number of dusky dolphin groups using Admiralty Bay, a different near-shore environment with less tourism than off Kaikoura, and with near-shore mussel farms. Groups of dusky dolphins were observed in Admiralty Bay using the full extent of the bay. This re-enforces previous findings that Admiralty Bay is an important winter foraging ground for dusky dolphins, and further aquaculture development in the bay would remove available foraging habitat.
Merry Christmas! The internet phenomenon #DrawWithRob is now a fantastically festive art activity book for you to draw with Rob at home... The second book based on the viral videos seen everywhere on YouTube, Facebook, TikTok, TV, and more, from the creative genius and bestselling author Rob Biddulph! Christmas is different this year, with more families at home and wondering what to do! Pick up your pencils and join thousands of children around the world and #DrawWithRob - celebrating Christmas has never been so much fun! The first DRAW WITH ROB activity book went to Number One in the charts and was named 'Book of the Year' at the 2020 Sainsbury's Children's Book Awards! Now every family can share this fantastically festive new art activity book for Christmas. Join Rob and learn to draw your favourite Christmas characters - from Polar Bears to Elves and from Father Christmas to a Snowman, this perfect present is packed with arts, crafts and festive fun. The bestselling and award-winning author/illustrator Rob Biddulph is the genius behind the phenomenal, viral sensation that is DRAW WITH ROB and the accompanying activity book, and now the sensational DRAW WITH ROB AT CHRISTMAS - bringing joy to families everywhere with his easy to follow instructions and warm-hearted humour. So whether you're in home education, home-schooling, learning to draw or just having fun, let Rob show you that anyone can learn to #DrawWithRob! *WITH PERFORATED PAGES SO YOU CAN EASILY TEAR OUT AND DISPLAY YOUR ART!* Rob's original hit videos are also available at www.robbiddulph.com, and on Facebook, YouTube, TikTok, and Instagram, with Rob appearing on TV to talk about them too. Perfect stay-at-home fun for boys, girls, and everyone aged three to one hundred and three, and a wonderful introduction to Rob Biddulph's bestselling picture book range - including the Waterstones Children's Book Prize-winning Blown Away, Odd Dog Out, and many more! Available in all good bookstores and online retailers, and perfect for children who are learning to read - or just love to!
Sex in Cetaceans provides an up-to-date review of multi-faceted aspects related to mating and reproduction in toothed and baleen whales. This open access book begins with discussions of sexual selection and anatomical traits related to mating and diversity between the sexes. The functions of non-conceptive copulations are reviewed as are different research techniques applied to explore sex in cetaceans. Authors and editors build knowledge of female and male social, mating, and parental strategies and tactics for several specific toothed dolphin/porpoise/whale species and baleen whale species. It concludes with a discussion of potential conservation efforts and ways to help especially beleaguered species and populations the world over. The volume is intended as a major primer of cetacean sex for undergraduate and graduate students, new and established researchers in the field, and the public wishing to learn more.
A book on dolphins from Janet Evans featuring the world's top 6 most amazing and loved dolphins. This book brings these magnificent creatures brings its readings into the world of dolphins with its amazing pictures and numerous fun facts. This book also contains coloring pages of these dolphins for your children to enjoy after reading the book.
The Encyclopedia of Marine Mammals, Third Edition covers the ecology, behavior, conservation, evolution, form and function of whales, dolphins, seals, sea lions, manatees, dugongs, otters and polar bears. This edition provides new content on anthropogenic concerns, latest information on emerging threats such as ocean noise, and impacts of climate change. With authors and editors who are world experts, this new edition is a critical resource for all who are interested in marine mammals, especially upper level undergraduate and graduate students, researchers, and managers, and is a top reference for those in related fields, from oceanographers to environmental scientists. Significant content and topic updates, as well as the addition of new topics in such areas as anthropogenic disturbance Visual maps of the oceans and seas mentioned in contributions, helping to place the geographical features described in the text with clear, consistent species illustrations Written to help users learn new information or brush up on a topic quickly, with the references at the end of each entry to help guide readers into more specialist literature