Fred Provenza, Professor Emeritus of Behavioral Ecology in the Department of Wildland Resources at Utah State University.  Author, Nourtishment:  What Animals Can Teach Us About Rediscovering Our Nutritional Wisdom

Yellowstone Park in winter is a cruel place for the wildlife that can no longer endure its cold, snow and hunger.  And yet what is cruel for some can be a blessing for the corvids of Yellowstone’s winter   And so we ask:  

Can anyone love the black birds of Yellowstone’s white winter?

Topics include speculation as to why people have always disagreed about the best way to eat; a discussion of the nutritional and environmental elements of the different ways of eating; and a common sense approach to putting the argument to rest.