[mou] Coromorants

beimborn beimborn at umn.edu
Fri Jul 6 13:31:33 CDT 2007


I've been asked about the great numbers of cormorants that are seen on Lake 
Minnetonka this summer.  There seems to be a flock that numbers near a 
thousand.  I've often seen flocks of a dozen or so in previous years.

One question is: where are they roosting?  A thousand or so cormorants would 
make a noticeable assembly in the evening.

Is there now an active rookery near Lake Minnetonka?

My guess is that these are non-breeders in their second year and the high 
numbers on the lake is just a random event but I'm open to any other 
opinions anyone may have.  If there is now a nearby rookery, the flock may 
be a common sight in future years.



Don Beimborn
By Cedar Lake 




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