<br><p><b>Identifier</b>: birdsnatureinnat02chic (<a class="external text" href="https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&amp;profile=default&amp;fulltext=Search&amp;search=insource%3A%2Fbirdsnatureinnat02chic%2F">find matches</a>)<br><b>Title</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookidbirdsnatureinnat02chic">Birds and nature in natural colors : being a scientific and popular treatise on four hundred birds of the United States and Canada</a><br><b>Year</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookyear1913">1913</a> (<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookdecade1910">1910s</a>)<br><b>Authors</b>: <br><b>Subjects</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/booksubjectBirds____North_America">Birds -- North America</a><br><b>Publisher</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookpublisherChicago___A_W__Mumford__Publisher">Chicago : A.W. Mumford, Publisher</a><br><b>Contributing Library</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookcontributorAmerican_Museum_of_Natural_History_Library">American Museum of Natural History Library</a><br><b>Digitizing Sponsor</b>:  <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/booksponsorBiodiversity_Heritage_Library">Biodiversity Heritage Library</a><br><br><b>View Book Page</b>: <a rel="nofollow" class="external text" href="https://archive.org/stream/birdsnatureinnat02chic/birdsnatureinnat02chic#page/n262/mode/1up">Book Viewer</a><br><b>About This Book</b>: <a rel="nofollow" class="external text" href="https://archive.org/details/birdsnatureinnat02chic">Catalog Entry</a><br><b>View All Images</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/internetarchivebookimages/tags/bookidbirdsnatureinnat02chic">All Images From Book</a><br>
Click here to <a rel="nofollow" class="external text" href="https://archive.org/stream/birdsnatureinnat02chic/birdsnatureinnat02chic#page/n262/mode/1up"><b>view book online</b></a> to see this illustration in context in a browseable online version of this book.<br><br><b>Text Appearing Before Image:</b><br><i>r sister,Procne, into a swallow. Some Wonders of Bird Migration The biological survey has been collecting notes on bird migration for aquarter of a century and has received migration notes from some 2,000 ob-servers, from Panama to the Arctic circle, so that a mass of information con-cerning the migratory habits of the various species of birds, the location of theirbreeding grounds and winter homes, the routes followed in their migrations, thetimes and speeds of migrations, and the relations of all these to the distributionof food, climatic, meteorological and geographical conditions, etc., is available.From the data at hand many interesting facts about bird migration have beengleaned by the department of agriculture and published in a recent bulletin. There are some remarkable dififerences between the habits of various speciesof birds. A few, notably the grouse, the quail, the cardinal and the Carolinawren, are non-migratory while the arctic tern which nests in the frigid regions 364</i><br><b>Text Appearing After Image:</b><br><i>148 NIGHTINGALE. (Motacilla luscinia). 5 Liiesize. MFORD, CHICAGO only a few degrees from the north pole and migrates to the borders of theantarctic continent is a wonderful traveler. The 22,000-mile journey fromone place to the other requires barely twenty weeks. This means that the birdmust cover 150 miles a day. Undoubtedly it averages considerably more thanthis for its side flights in .quest of food must be taken into consideration. It would seem that the arctic tern is a lover of the light. At any rate itmanages to secure more hours of daylight and sunlight every year than anyother living creature for, during at least eight months of the year it lives ina region of perpetual daylight and during the .other four months it lives wherethe daylight period is much longer than the period of darkness. The average weather, rather than the weather which appears to prevail ina migration period of any particular year, determines the dates of migratorymovements. That is to say, migration is m</i><br><br><b>Note About Images</b><br></p>
<i>Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.</i>
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<ul><li>Source book page: <a rel="nofollow" class="external free" href="https://archive.org/stream/birdsnatureinnat02chic/birdsnatureinnat02chic#page/n262/mode/1up">https://archive.org/stream/birdsnatureinnat02chic/birdsnatureinnat02chic#page/n262/mode/1up</a></li></ul>