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Beaked Whales
The only book dedicated to the mysterious beaked whale, this beautiful volume combines full-color illustrations with fascinating facts. Beaked whales have been shrouded in mystery for most of the twentieth century. Denizens of deep, remote ocean waters and highly resistant to life in captivity, they have proven notoriously difficult for humans to observe. Over the past few decades, however, scientists have gained a better understanding of this distinct group of cetaceans, deciphering the natural history of the twenty-two beaked whale species. Here, famed artist and naturalist Richard Ellis and leading beaked whale researcher James G. Mead bring these elusive marine mammals into the limelight...
Baird's Beaked Whales
Whales are among the largest animals on earth. How amazing that a big whale can jump out of the water and fly over the rope at the water park! Readers learn about the many types of whales and how to identify them.
Could Beaked Whales Get the Bends? Effect of Diving Behaviour and Physiology on Modelled Gas Exchange for Three Species: Ziphius Cavirostris, Mesoplodon Densirostris and Hyperoodon Ampullatus
A mathematical model, based on current knowledge of gas exchange and physiology of marine mammals, was used to predict blood and tissue tension N2 (PN2) using field data from three beaked whale species: northern bottlenose whales, Cuvier's beaked whales, and Blainville's beaked whales. The objective was to determine if physiology (body mass, diving lung volume, dive response) or dive behaviour (dive depth and duration, changes in ascent rate, diel behaviour) would lead to differences in PN2 levels and thereby decompression sickness (DCS) risk between species. Diving lung volume and extent of the dive response had a large effect on end-dive PN2 . The dive profile had a larger influence on end-dive PN2 than body mass differences between species. Despite diel changes in dive behaviour, PN2 levels showed no consistent trend. Model output suggested that all three species live with tissue PN2 levels that would cause a significant proportion of DCS cases in terrestrial mammals. Cuvier's beaked whale diving behaviour appears to put them at higher risk than the other species, which may explain their prevalence in strandings after the use of mid-frequency sonar.
Whales and Dolphins of the European Atlantic
Fully updated, with new images, revised artwork, and the latest distribution data, this comprehensive photographic guide to whales, dolphins, and porpoises now covers coastal southwest Ireland and the Celtic Sea as well as the English Channel and the Bay of Biscay. Designed for easy use at sea or when watching from land, it covers all 18 regularly seen species and the 13 rarities that have also been recorded. It includes details of status and behavior, as well as introductory sessions to help you get the most from your whale watching in the region. An introduction to cetaceans, the region, and information to help you get the most from your whale-watching experience Illustrated profiles of th...
Whales of the World
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Beaked Whale Anatomy, Field Studies and Habitat Modeling
Results of field studies of beaked whales in the Gulf of California for December 2004-December 2006 are described. The goal is to determine the range of sound produced by beaked whales and to investigate beaked whale behavior and habitat. A minimum of 17 cetacean species (12 toothed and 5 baleen whales) were observed in 147 sightings. The proportion of sighted toothed whales and baleen whales was 67% and 32%, respectively. A comprehensive formulation for finite element modeling of biological tissues was developed. The mesh is voxel-based, and is generated automatically from CT scans. CT data from live, frozen, and thawed specimens of Tursiops truncatus showed similar results in tissues and o...
Building a Global Database of Beaked Whale Occurrence and Distribution
To investigate the occurrence and distribution of beaked whales throughout the world's oceans and identify known hotspots for beaked whales.
