Interesting mix of Orchard Oriole, American Bittern and Common Raven on Blue
Hill Trail this evening, Sherburne Wildlife Refuge.
Only four warbler species, however (yellow-rumpeds may have passed 1000 in
number) - this should change by the field trip on 5/14
Despite being out nearly daily, 35-40 species behind last year (which was
only a normal year) - interesting migration thus far - anticipate that this
next week could be spectacular (or frustrating). Should have good
warbler/passerine viewing in the trees, barely budded.
In the "son eclipses the father" category, Nate saw a Cassin's Sparrow north
of Chicago today (been there since Tuesday).
Good birding to all!
Al Schirmacher
Princeton, MN
Mille Lacs & Sherburne Counties
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