> On 14 Feb 2018, at 15:23, Karlin High <karlinh...@gmail.com> wrote: > > On 2/14/2018 4:34 AM, David Kastrup wrote: >> The mice were running around openly and rather visibly before that. >> Already when the cats were confined to one stable cell, the difference >> was staggering. When they roamed freely, it was overwhelming. They >> couldn't have caught hundreds of mice in that time frame: it's just that >> the visibility of the rodents dropped by wagonloads. > > http://www.laweekly.com/news/instead-of-being-put-down-these-feral-cats-are-being-put-to-work-8963106 > > <quote> > > Cats are a natural rodent deterrent, even if they're not actively hunting. > Mice can smell urinary proteins secreted by cats, snakes and other predators. > According to a 2010 study at the Scripps Research Institute, mice don't > recognize predators because of experiences with them but because they have > evolved to do so. The mere scent of the urinary proteins found in cats > triggers a fear response in mice. > > "It's not like they're even going after the rodents," Sathe says of the cats. > "They're kind of like a sonic force." > > <end quote>
They don't hunt much if properly fed, just some for sport. _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user