Bird subspecies

Variation in Wild Turkey

Here’s an example of one of the countless thousands of questions that are still out there waiting to be answered about North American birds. I went to Texas in February (for the opening of the fantastic new Clif Moss Nature Education Center of the Corpus Christi Public Library) and I had a chance to see …

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Greater Redpoll photos

Maybe I should change the name of this blog to “All about Redpolls”, but I’ve received a few photos that I wanted to pass along, making the point that “Greater” Common Redpoll is not just an eastern specialty. The AOU checklist and the BNA account report that this subspecies winters regularly from Labrador west to …

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Redpoll investigation widens to include “Greater”

Maybe we are just more aware and looking harder for “Greater” Common Redpolls (Carduelis flammea rostrata) this winter in Massachusetts, or maybe it’s really an exceptional winter, but there is no doubt that they have come south in significant numbers. I have seen them on a couple of visits to Dan Berard’s feeders in Millbury, …

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Redpoll subspecies

If identifying Hoary Redpoll is not enough of a challenge for you, maybe you’d like to look for subspecies of Hoary and Common Redpolls? First, check out this map from the Canadian Atlas of Bird Banding. This shows selected western band recoveries of Common Redpolls, and the obvious suggestion is that some of the Common …

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“Great White” Heron – not just a color morph

Great White Heron Ardea herodias occidentalis updated 13 Nov 2007, thanks to all those who have commented publicly and privately. I’ve backed off a bit from my criticism of the TBRC decision, the more I learn the less clear-cut this seems, although I still think it’s at least a good subspecies. Shaibal Mitra sent me …

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