RE. "immature" shrikes.
About 20 years ago at Pt. Reyes, California, a bird was called an immature
northern shrike (say, in November). About a month or two later someone
looked at it more closely. It was a brown shrike (seen by me and hundreds
of others). Currently there is a brown shrike in northern California. Of
course the chances are small that this bird is a brown shrike, but one
should be aware of this possibility.
Karl Stecher
Centennial
The Nunn Guy writes:
I forwarded this info to Scott R who found the Loggerhead. BTW last
year Nick K and I had Loggerhead Shrike on CBC, too, not sure if
documentation was provided by us or circle.
Thanks
Gary Lefko, Nunnhttp://coloradobirder.ning.com/ -- Home of the "Nunn
Guy"
On Dec 17, 12:48 pm, "Brandon K. Percival" <bkperci...@yahoo.com>
wrote:
I do require written documentation or photo for ALL Loggerhead Shrikes north of Monument Hill, and east of there, as well as in the mountains on any Colorado Christmas Bird Count. Make sure to include how you eliminated Northern Shrike, the more likely species. Thanks.
CBCs with Loggerhead Shrikes in southern Colorado and the west slope that aren't in the mountains, don't require documentation.
Brandon Percival
Colorado CBC Editor
Pueblo West, CO
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