Free Ebook The Auks Alcidae (Bird Families of the World)

Free Ebook The Auks Alcidae (Bird Families of the World)

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Book Details :
Published on: 1998-06-04
Released on:
Original language: English

The auks are marine birds widespread in the cooler parts of northern seas. Often regarded as the northern hemisphere's counterparts to penguins, they are accomplished underwater swimmers, able to dive to great depths. Among bird families, they exhibit an unusual degree of variability in their breeding sites, which range from old-growth, temperate forests to barren sea-cliffs and rocky outcrops among mountain glaciers. Chick development is equally variable: in some species chicks leave for the sea soon after hatching, while in others they grow to full size at the nest site. This diversity of behavior makes the auks an excellent subject for the study of adaptation. The authors, who have extensive field experience with auks, provide descriptions of the major features of the family and an engaging discussion of the adaptive significance of various traits. Part I contains general chapters on auk evolution, ecology, behavior, chick development, populations, and conservation. These chapters are illustrated with black-and-white drawings, summary graphs and tables. Part II follows with the twenty-three species accounts, giving comprehensive information on the birds in their natural state, including distribution maps. All species are illustrated in color, in superb plates by Ian Lewington especially commissioned for this volume. The Auks is part of Oxford's multi-volume Bird Families of the World, a new series of handbooks for professional scientists and amateur ornithologists. Each volume gives a comprehensive synthesis of current knowledge on one bird family or several related families; the complete series will be the definitive source for information on species of birds. Anatidae - Ducks Geese and Swans BTO - British Trust ... The 162 species of ducks geese and swans are found throughout the world in all manner of wetland habitats from small ditches to rugged coasts (though they generally ... Seabird - Wikipedia Classification of seabirds. There exists no single definition of which groups families and species are seabirds and most definitions are in some way arbitrary. Red Siskin (Carduelis cucullata) HBW Alive Has recently been proposed that this species be placed in genus Spinus or Sporagra and revision may be justifiable as phylogenetic analysis indicates that South ... Carolina Bird Club Bird Photo Gallery Carolina Bird Club Bird Photo Gallery. If you would like to share a bird photo or photos that you took in the Carolinas please use the List of birds of Malta - Wikipedia This is a list of the bird species recorded in Malta. The avifauna of Malta include a total of 384 species of which 167 are rare or accidental. BirdWeb - Browse Birds Get Involved With Seattle Audubon! Go Birding! Volunteer; Adult Classes; Nature Camp; Nature Shop; Got a Question? Ask a Master Birder! Browse Birds BirdWeb ... Bird Families of the World BTO - British Trust for ... This page lists all 28 of the bird Orders found in the world and 82 Families within the large Order Passeriformes together with an indication of the number of ... Clements Families - Birds of the World on Postage Stamps Clements Families This shows the families as used in Clements' Checklist of Birds of the World (2000) Species HBW Alive Handbook of the Birds of the World Alive series is the first work ever to illustrate and deal in detail with all the living species of birds. Birds - Bird Skull Collection Bird skull photographs. An amount of appr. 1200 skulls can be found in the database most of which have been photographed. Go to the skull database seach page to ...
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