Besides, An adult rat is too large a prey for Barn Owls to take on a regular basis. The young would go down like popcorn, but Barn Owls just lack the foot strength and mass to crush a rat like the Great Horned Owl can.
Just a observation,
Clarence
----- Original Message -----
From: Robert Pisano
To: Angela Percival
Cc: tweeters at u.washington.edu
Sent: Tuesday, December 04, 2007 6:20 PM
Subject: Re: [Tweeters] rat control



On Dec 4, 2007, at 6:12 PM, Angela Percival wrote:


As explained in this link, only "Permanent reduction of one or more vital factors (food, water, or harborage) in the block will result in a permanent reduction in the rodent population."
http://www.co.brown.wi.us/health/rodent_control-prevention.htm



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In addition to otherwise "desirable" species, as well.

The challenge is how do we make control measures rat-specific?

Robert Pisano
Seattle



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