{"id":8446,"date":"2014-03-15T08:19:16","date_gmt":"2014-03-15T15:19:16","guid":{"rendered":"http:\/\/birdaz.com\/blog\/?p=8446"},"modified":"2014-04-13T15:12:30","modified_gmt":"2014-04-13T22:12:30","slug":"supply-demand-extinction","status":"publish","type":"post","link":"http:\/\/birdaz.com\/blog\/2014\/03\/15\/supply-demand-extinction\/","title":{"rendered":"Supply. Demand. Extinction."},"content":{"rendered":"<p><a href=\"http:\/\/www.biodiversitylibrary.org\/item\/65110#page\/449\/mode\/1up\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-8447\" alt=\"Screenshot 2014-03-14 20.29.42\" src=\"http:\/\/birdaz.com\/blog\/wp-content\/uploads\/2014\/03\/Screenshot-2014-03-14-20.29.42.png\" width=\"376\" height=\"506\" srcset=\"http:\/\/birdaz.com\/blog\/wp-content\/uploads\/2014\/03\/Screenshot-2014-03-14-20.29.42.png 376w, http:\/\/birdaz.com\/blog\/wp-content\/uploads\/2014\/03\/Screenshot-2014-03-14-20.29.42-222x300.png 222w\" sizes=\"(max-width: 376px) 100vw, 376px\" \/><\/a><\/p>\n<p>It was one of the <a href=\"http:\/\/www.biodiversitylibrary.org\/item\/48015#page\/10\/mode\/1up\">polite fictions of the waning days of American oology<\/a> that specimens were never sold but &#8220;exchanged,&#8221; traded by collectors who were guided not by anything as crass as prices but rather by &#8220;exchange values,&#8221; regularly updated in the oological journals and other trade publications.<\/p>\n<p>Thus, for example, in 1914, Charles <a href=\"http:\/\/www.biodiversitylibrary.org\/bibliography\/35239#\/summary\">Reed ranked the eggshells<\/a> of the <b>Ruddy Duck\u00a0<\/b>and those of the <strong>White-tipped Dove<\/strong> of equivalent value and desirability, assigning an exchange price of 35 cents to each; one laid by an <strong>American Crow\u00a0<\/strong>or an <b>American Goldfinch <\/b>was worth a cool nickel, and an even hundred of those common specimens could theoretically be traded for the five-dollar egg of an <strong>Olive Warbler\u00a0<\/strong>or a\u00a0<strong>White-winged Crossbill<\/strong>.<\/p>\n<p>The really extravagant price tags &#8212; I mean &#8220;exchange values,&#8221; of course &#8212; dangled from boxes containing the eggs of globally rare or extinct species. The eager collector needed to have a ten-dollar bill in his pocket if he thirsted after the egg of a <strong>Snail Kite<\/strong> or a <strong>Carolina Parakeet<\/strong> or an <strong>Ivory-billed Woodpecker<\/strong>, and only the truly wealthy could afford to add the <strong>California Condor<\/strong> to their cabinets at a hundred dollars a pop.<\/p>\n<p>The egg of the <strong>Passenger Pigeon<\/strong>, the last female of which died the same year in which Reed published his list, was far more attainable. At two dollars, such an egg wasn&#8217;t exactly cheap, but it was no more expensive than those of such common, if inconveniently accessible, species as the <strong>Glaucous-winged Gull<\/strong> and\u00a0<strong>Orange-crowned Warbler<\/strong>. A lot of pigeon eggs must have been collected back in the days of their abundance, when, as <a href=\"http:\/\/www.amazon.com\/The-Passenger-Pigeon-History-Extinction\/dp\/1930665962\">Schorger<\/a> reports, a single tree could support up to three hundred nests.\u00a0\u00a0\u00a0<strong><br \/>\n<\/strong><\/p>\n<p><a href=\"http:\/\/www.biodiversitylibrary.org\/item\/108254#page\/130\/mode\/1up\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-8449\" alt=\"Screenshot 2014-03-15 10.46.35\" src=\"http:\/\/birdaz.com\/blog\/wp-content\/uploads\/2014\/03\/Screenshot-2014-03-15-10.46.35.png\" width=\"362\" height=\"247\" srcset=\"http:\/\/birdaz.com\/blog\/wp-content\/uploads\/2014\/03\/Screenshot-2014-03-15-10.46.35.png 362w, http:\/\/birdaz.com\/blog\/wp-content\/uploads\/2014\/03\/Screenshot-2014-03-15-10.46.35-300x204.png 300w\" sizes=\"(max-width: 362px) 100vw, 362px\" \/><\/a><\/p>\n<p>Just a few years later, it was obvious that the pigeons weren&#8217;t coming back. The\u00a0<em><a href=\"http:\/\/www.biodiversitylibrary.org\/bibliography\/13450#\/summary\">American Oologists&#8217; Exchange Price List<\/a>\u00a0<\/em>of 1922 set the value of a single\u00a0<strong>Passenger Pigeon\u00a0<\/strong>egg at $100, twice that of the\u00a0<strong>Heath Hen\u00a0<\/strong>and five times that of the <b>Dusky Seaside Sparrow<\/b>. Scarcity drives even the most arcane of markets.<\/p>\n<p>I have no doubt that there are still good numbers of pigeon eggs resting on cotton in long-forgotten drawers, and I suspect that the price wouldn&#8217;t be that terribly high if you wanted one. Me, though, I&#8217;d be content with this as the easiest way to remember that not much more than a century ago, the life force still ran through a bird we&#8217;ll never seen again:<\/p>\n<p><a href=\"http:\/\/www.replica-eggs.co.uk\/brochure.pdf\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-8450\" alt=\"Screenshot 2014-03-15 11.17.41\" src=\"http:\/\/birdaz.com\/blog\/wp-content\/uploads\/2014\/03\/Screenshot-2014-03-15-11.17.41.png\" width=\"268\" height=\"240\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It was one of the polite fictions of the waning days of American oology that specimens were never sold but &#8220;exchanged,&#8221; traded by collectors who were guided not by anything as crass as prices but rather by &#8220;exchange values,&#8221; regularly updated in the oological journals and other trade publications. Thus, for example, in 1914, Charles &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/birdaz.com\/blog\/2014\/03\/15\/supply-demand-extinction\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Supply. Demand. Extinction.&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,109],"tags":[107,108,604,110],"_links":{"self":[{"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/posts\/8446"}],"collection":[{"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/comments?post=8446"}],"version-history":[{"count":2,"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/posts\/8446\/revisions"}],"predecessor-version":[{"id":8452,"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/posts\/8446\/revisions\/8452"}],"wp:attachment":[{"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/media?parent=8446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/categories?post=8446"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/birdaz.com\/blog\/wp-json\/wp\/v2\/tags?post=8446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}