[cobirds] Barr Lake, Adams County, July 2

Hello, Birders.

I had an errand yesterday, Wednesday, July 2, at Barr Lake, Adams County. Convenient place for a birder to have an errand, eh?

The very first bird I saw was a Cackling Goose. Photo here: http://tinyurl.com/Cackling-Barr-Lake Cathy Sheeter tells me there have a few here this summer. To which I say: What's up with that?

The only nuthatch I saw and heard was a good match for Rocky Mountain Nuthatch. And what, pray tell, is a Rocky Mountain Nuthatch? Well, Colorado's own peripatetic Steve Mlodinow has a handy primer in this month's Birding magazine, published by the American Birding Association, on how to separate the Carolina, Rocky Mountain, and Slender-billed nuthatches, two taxa of which occur regularly in Colorado. Here is a link to a PDF download of Steve's article:

http://aba.org/birding/2014-MAY-JUN/14-3_08Mlodinow-R4.pdf

All four of the vireos I saw and heard were good phenotypic matches for Eastern Warbling-Vireo. Here's audio of a Rocky Mountain Nuthatch with a descant from an Eastern Warbling-Vireo:

https://soundcloud.com/ted-floyd/wbnu-ls101522

Barr Lake is a great venue for appreciating the East-meets-West aspect of Colorado birding.

Complete eBird checklist here: http://ebird.org/ebird/view/checklist?subID=S18972990

Ted Floyd

Lafayette, Boulder County, Colorado

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