Cormorants Darters and Pelicans of the World Whether it is an elusive darter stalking its prey in a tropical swamp a flock of cormorants cooperatively driving a frenzied school of fish into the shallows of a lake or river or brown pelicans plu

  • Title: Cormorants, Darters, and Pelicans of the World
  • Author: Paul A. Johnsgard
  • ISBN: 9781560982166
  • Page: 131
  • Format: Hardcover
  • Whether it is an elusive darter stalking its prey in a tropical swamp, a flock of cormorants cooperatively driving a frenzied school of fish into the shallows of a lake or river, or brown pelicans plummeting into the ocean, these ancient groups of web footed birds in the order Pelecaniformes offer remarkable behavioral and structural diversity As fish eaters, they are higWhether it is an elusive darter stalking its prey in a tropical swamp, a flock of cormorants cooperatively driving a frenzied school of fish into the shallows of a lake or river, or brown pelicans plummeting into the ocean, these ancient groups of web footed birds in the order Pelecaniformes offer remarkable behavioral and structural diversity As fish eaters, they are highly susceptible to poisons and serve as biological indicators for toxic materials In this first worldwide survey of cormorants, darters, and pelicans, Paul A Johnsgard provides a color illustration of nearly every species and a variety of anatomical drawings, and he summarizes the species status and biology, including ecology, behavior, distribution, plumage, and morphology The first section of the book focuses on comparative biology, including all 32 species of Cormorants and shags Phalacrocoracidae , two species of darters Anhingidae , and seven species of pelicans Pelecanidae The accounts cover species phylogeny, taxonomy, zoogeography, comparative anatomy, behavior, reproductive biology, population and breeding dynamics, and conservation biology Detailed line drawings of the heads of all species noting age or seasonal variations help the reader identify and distinguish between each species The book also includes keys to each species and the origins of their scientific and vernacular names.

    • Best Download [Paul A. Johnsgard] ↠ Cormorants, Darters, and Pelicans of the World || [Science Book] PDF ☆
      131 Paul A. Johnsgard
    • thumbnail Title: Best Download [Paul A. Johnsgard] ↠ Cormorants, Darters, and Pelicans of the World || [Science Book] PDF ☆
      Posted by:Paul A. Johnsgard
      Published :2019-02-07T18:50:09+00:00

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