[wisb] Keep an eye out for Swainson's Hawks

  • From: "Peter A. Fissel" <pfissel@xxxxxxxxxxxxxxxx>
  • To: Wisconsin Birding Network <wisbirdn@xxxxxxxxxxxxx>
  • Date: Tue, 12 Apr 2011 12:48:50 -0500

There are quite a few reports of Swainson's Hawks in Iowa recently. 
They are frequently seen working the edges of prairie/grassland burns, 
watching for rodents and insects flushed or exposed by the fire.  If 
you're in the southern or western part of the state on a nice day in 
spring, check out those columns of smoke from prescribed burns.  The 
hawks will also work freshly-plowed fields, much as Ring-billed Gulls 
do, presumably looking for grubs that have been turned up.  We get a few 
Swainson's in Wisconsin most years - look for a soaring buteo with a 
noticeable dihedral, long, pointed wings and darker primaries and 
secondaries than wing linings in most plumages.  (But be careful - 
immature Red-tailed Hawks can have wings that appear longer than 
adults', I believe due to shorter secondaries.)

Peter Fissel
Ever hopeful in
Madison, WI
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  • » [wisb] Keep an eye out for Swainson's Hawks - Peter A. Fissel