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Famed in story as "the great leviathans," sperm whales are truly creatures of extremes. Giants among all whales, they also have the largest brains of any creature on Earth. Males can reach a length of sixty-two feet and can weigh upwards of fifty tons. With this book, Hal Whitehead gives us a clearer picture of the ecology and social life of sperm whales than we have ever had before. Based on almost two decades of field research, Whitehead describes...
4) Bat ecology
Description
In recent years researchers have discovered that bats play key roles in many ecosystems as insect predators, seed dispersers, and pollinators. Bats also display astonishing ecological and evolutionary diversity and serve as important models for studies of a wide variety of topics, including food webs, biogeography, and emerging diseases. In Bat Ecology, world-renowned bat scholars present an up-to-date, comprehensive, and authoritative review of this...
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Insects comprise roughly half of the animal kingdom, and they live everywhere. Most of us think life would be better without bugs. In fact, life would be impossible without them. Without the pinhead-sized chocolate midge, cocoa flowers would not pollinate. The fruit fly is essential to medical and biological research experiments. Insects turn dead plants and animals into soil. They control organisms that are harmful to humans. Sverdrup-Thygeson shows...
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"In What Good Are Bugs? Gilbert Waldbauer combines anecdotes from entomological history with insights into the intimate workings of the natural world, describing the intriguing and sometimes amazing behavior of these tiny creatures. He weaves a colorful, richly textured picture of beneficial insect life on earth, from ants sowing their "hanging gardens" on Amazonian shrubs and trees to the sacred scarab of ancient Egypt burying balls of cattle dung...
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Ultimately, the success of conservation efforts depends on gathering analyzing, and interpreting reliable information on species composition communities, and habitats. In recent years, however, the availability of technology for assessing wildlife data has outstripped training in how best to use that technology. To aid the student and the professional this book explains fundamental concepts of both wildlife habitat theory and statistical modeling...
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From an engineer's perspective, how do specialized adaptations among living things really work? In this book the authors offer a look at animals, including humans, as works of evolutionary engineering, each adapted to a specific manner of survival whether that means spinning webs or flying across continents or hunting in the dark, or writing books. The alarm calls of birds make them difficult for predators to locate, while the howl of wolves and the...
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"When a good friend with a severe illness wrote, asking if he might have his "green burial" at Bernd Heinrich's hunting camp in Maine, it inspired the acclaimed biologist/author to investigate a subject that had long fascinated him. How exactly does the animal world deal with the flip side of the life cycle? And what are the lessons, ecological to spiritual, raised by a close look at how the animal world renews itself? Heinrich focuses his wholly...
Description
Wolves are some of the world's most charismatic and controversial animals, capturing the imaginations of their friends and foes alike. Highly intelligent and adaptable, they hunt and play together in close-knit packs, sometimes roaming over hundreds of square miles in search of food. Once teetering on the brink of extinction across much of the United States and Europe, wolves have made a tremendous comeback in recent years, thanks to legal protection,...
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"For nearly a century ecologists have believed that nature is democratic, governed from the bottom up by the amount of solar energy converted to green biomass, the food of herbivores. Eisenberg makes the case for trophic cascades--an alternative view arguing that ecosystems are often organized from the top down by keystone species such as predators--while diplomatically exploring a path for reconciling these disparate views."--Michael Soule, Professor...
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