Birds Observed At Shemya Island Aleutian Islands
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Author |
: Daniel D. Gibson |
Publisher |
: |
Total Pages |
: |
Release |
: 1978 |
ISBN-10 |
: OCLC:41821572 |
ISBN-13 |
: |
Rating |
: 4/5 (72 Downloads) |
Synopsis Birds Observed at Shemya Island, Aleutian Islands by : Daniel D. Gibson
Author |
: |
Publisher |
: |
Total Pages |
: 169 |
Release |
: 2015 |
ISBN-10 |
: OCLC:927175101 |
ISBN-13 |
: |
Rating |
: 4/5 (01 Downloads) |
Synopsis Bird Species Found at Shemya Island, Alaska, 1999-2010 by :
This report presents a series of species accounts collected through observation of about 215 bird species that summarize the status of birds found at Shemya Island. It documents the dates and abundance of bird species encountered mostly but not entirely from 1999 through 2010. Species accounts include photographs for most species.
Author |
: Michael T. Schwitters |
Publisher |
: |
Total Pages |
: 167 |
Release |
: 2008 |
ISBN-10 |
: OCLC:272489159 |
ISBN-13 |
: |
Rating |
: 4/5 (59 Downloads) |
Synopsis Birds Species Found at Shemya Island, Alaska, 1999-2007 by : Michael T. Schwitters
Author |
: Daniel D. Gibson |
Publisher |
: |
Total Pages |
: 396 |
Release |
: 2007 |
ISBN-10 |
: STANFORD:36105123349941 |
ISBN-13 |
: |
Rating |
: 4/5 (41 Downloads) |
Synopsis Birds of the Aleutian Islands, Alaska by : Daniel D. Gibson
Author |
: Smithsonian Institution |
Publisher |
: |
Total Pages |
: 24 |
Release |
: 1913 |
ISBN-10 |
: OCLC:631797402 |
ISBN-13 |
: |
Rating |
: 4/5 (02 Downloads) |
Synopsis Notes on Birds Observed During a Brief Visit to the Aleutian Islands and Bering Sea in 1911 by : Smithsonian Institution
Author |
: Arthur Cleveland Bent |
Publisher |
: |
Total Pages |
: |
Release |
: 1912 |
ISBN-10 |
: LCCN:12008878 |
ISBN-13 |
: |
Rating |
: 4/5 (78 Downloads) |
Synopsis Notes on Birds Observed During a Visit to the Aleutian Islands and Bering Sea in 1911 by : Arthur Cleveland Bent
Author |
: Arthur Cleveland Bent |
Publisher |
: |
Total Pages |
: 29 |
Release |
: 1912 |
ISBN-10 |
: LCCN:12008878 |
ISBN-13 |
: |
Rating |
: 4/5 (78 Downloads) |
Synopsis Notes on Birds Observed During a Visit to the Aleutian Islands and Bering Sea in 1911 by : Arthur Cleveland Bent
Author |
: Patrick J. Gould |
Publisher |
: |
Total Pages |
: 314 |
Release |
: 1982 |
ISBN-10 |
: UOM:39015086461277 |
ISBN-13 |
: |
Rating |
: 4/5 (77 Downloads) |
Synopsis Pelagic Distribution and Abundance of Seabirds in the Gulf of Alaska and Eastern Bering Sea by : Patrick J. Gould
Atlas based on censuses conducted from ships and aircraft over waters of the Gulf of Alaska and eastern Bering Sea.
Author |
: Arthur Cleveland Bent |
Publisher |
: |
Total Pages |
: 29 |
Release |
: 1912 |
ISBN-10 |
: OCLC:458430426 |
ISBN-13 |
: |
Rating |
: 4/5 (26 Downloads) |
Synopsis Notes on Birds Observed During a Brief Visit to the Aleutian Island and Bering Sea in 1911, by A. C. Bent by : Arthur Cleveland Bent
Author |
: Eberhard Gwinner |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 436 |
Release |
: 2012-12-06 |
ISBN-10 |
: 9783642745423 |
ISBN-13 |
: 3642745423 |
Rating |
: 4/5 (23 Downloads) |
Synopsis Bird Migration by : Eberhard Gwinner
E. GWINNER! The phenomenon of bird migration with its large scale dimensions has attracted the attention of naturalists for centuries. Worldwide billions of birds leave their breeding grounds every autumn to migrate to areas with seasonally more favor able conditions. Many of these migrants travel only over a few hundred kilo meters but others cover distances equivalent to the circumference of the earth. Among these long-distance migrants are several billion birds that invade Africa every autumn from their West and Central Palaearctic breeding areas. In the Americas and in Asia the scope of bird migration is of a similar magnitude. Just as impressive as the numbers of birds are their achievements. They have to cope with the enormous energetic costs of long-distance flying. particularly while crossing oceans and deserts that do not allow replenishment of depleted fat reserves. They have to appropriately time the onset and end of migrations. both on a daily and annual basis. And finally. they have to orient their migratory movements in space to reach their species- or population-specific wintering and breeding grounds, irrespective of the variable climatic conditions along their migratory routes.