DENVER
10/05/2010 05:12 am ET Updated May 25, 2011

Denver Zoo Lions Turned On By Obsession For Men

One of the obsessed lions at the Denver Zoo is a 13-year-old male named Krueger. Getting Krueger's attention is tough. That's because the only thing he is interested in right now is Natal, a 12-year-old lioness who is in heat.

There is one other thing Krueger gets excited about.

It's Obsession for men by Calvin Klein.

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