Texas P&W game biologists have stated that a lion will kill a deer a week (give or take a day or three) if they are available. They don't limit themselves to deer, of course. House cats and dogs are also on the menu, from first-hand accounts in this area. I was driving home one night when a lion trotted across the road with a jackrabbit in its mouth. And I once saw tracks of a mama lion and a cub around a bunch of quail feathers.
It is common around here to find a place on a mountain that I've labelled, "A lion's dining room," with bones strewn around a fair-sized area. Deer, javelina, whatever...
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