Date: 3/3/17 10:45 pm
From: William Mueller <wpmueller1947...>
Subject: [wisb] Snow, white-fr., and ross's: why they are easier to find
Mike Wanger was wondering if it is unusual for all 3 of these species to be
in an eastern county like Milwaukee. It is, but it is easier to find all 3
now, in more locations. The reason is that all 3 have expanding
populations, and more individuals are found a little outside their former
"normal" locations than 10-20 years ago, and that is likely to continue for
a while. In addition to those 3, if you study the other Arctic breeding
geese in the Old World, you will notice some of this same phenomenon going
on there as well. Expect more North American records in the coming years of
Pink-footed Goose, for example - and maybe one in WI before long.
William P. Mueller
Director,
Western Great Lakes Bird and Bat Observatory
wglbbo.org
Blog: futureofbirds.blogspot.com
414.698.9108


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