http://www.elharo.com/blog/birding/2009/05/04/costas-or-annas/ Ranting and Raving Thu, 09 Feb 2012 04:38:18 +0000 hourly 1 http://wordpress.org/?v=3.1.3 http://www.elharo.com/blog/birding/2009/05/04/costas-or-annas/comment-page-1/#comment-759551 Aaron Tue, 05 May 2009 16:16:44 +0000 http://www.elharo.com/blog/?p=1002314#comment-759551 I agree that iridescence poses problems when ID'ing birds, but I'd guess it's a Costa's...the gorget just isn't red enough for Anna's. Additionally, although size is difficult to judge here, based on the branch it's perched on, it seems as if this hummer is a bit on the smaller end, another indicator for Costa's. I agree that iridescence poses problems when ID’ing birds, but I’d guess it’s a Costa’s…the gorget just isn’t red enough for Anna’s. Additionally, although size is difficult to judge here, based on the branch it’s perched on, it seems as if this hummer is a bit on the smaller end, another indicator for Costa’s.

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