03/18/2010 05:12 am ET Updated May 25, 2011

Denver's Feral Cat Problem: Hundreds Of Thousand Live In The City

Estimates of the number of feral cats in the metro area range from tens of thousands to 125,000 (a Denver Dumb Friends League figure) to an improbable quarter-million (based on a formula that assigns one stray cat to every six humans in an urban setting). The Rocky Mountain Alley Cat Alliance, the lead group spearheading efforts to deal with ferals locally, has identified dozens of colonies and more than 2,000 cats in one survey, showing a heavy concentration along the Colfax and Federal corridors. But that figure is considered just the tip of the tabby.

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