Cormorants
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Double Crested Cormorants!!!!!!  

Scenes such as shown in the video above are becoming increasingly familiar to anglers in the great Lakes and usually generate quite an emotional reaction.   As with most emotional reactions, they are often based on incomplete, inaccurate or not based on actual fact.

Are Cormorants a threat to our eco-system and possibly our fishery? YES!  Is shooting them all the answer (or even feasible?) PROBABLY NOT!   To loosely paraphrase an old military axiom,  "to defeat an enemy, you must first know them" (or something like that)!

To control the problem, we first must understand it!!  All of the emotions, petitions, PowerPoint presentations, etc., are going to accomplish very little if we don't know our "enemy".

The biggest step is to provide as much information as possible concerning their numbers, movements and location. The DNR has an on-line reporting form and is asking everyone who sees cormorant activity to take a couple minutes report it via the online form  www.dnr.state.mi.us/cormorantobs/  

Unfortunately, the cormorant issues, like most environmental issues, are not as simple as we'd like them to be. As we've learned the hard way, Nature requires a very delicate balance between species that must be maintained or we often just create more problems!

The purpose of this page is NOT to give you the answers but rather to point you to available information that will help you to form your own opinions, based on verifiable facts and information.  There is a lot of info floating around, some good, some bad.  The following links will let you look at the problem from various perspectives and, hopefully, provide you with useful information.

The Rise of the Double-crested Cormorant on the Great Lakes: Winning the War Against Contaminants (a very good in-depth Fact Sheet with detailed information)
http://www.on.ec.gc.ca/wildlife/factsheets/fs_cormorants-e.html

A very thorough collection of links, documents and info concerning Double Crested Cormorant management in the U,S, particulary in the Mid-West from the U.S. Fish and Wildlife Service
http://www.fws.gov/midwest/MidwestBird/cormorants.htm
 
Detroit River-Western Lake Erie Basin Indicator Project
http://www.epa.gov/med/grosseile_site/indicators/cormorants.html
Do increasing cormorant populations threaten sportfishes in the great lakes? A case study in Lake Huron
http://www.psc.isr.umich.edu/pubs/abs/4276 
Ohio working to keep number of Cormorants under control 
http://www.westernlakeerie.org/cormorants_lake_erie_11_2010.pdf 

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We would like to thank Dr. Jeffrey Powers DWM of Beaver Island for providing the photo's and giving us permission to use them