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	Podcast:		BirdNote
	Episode:		Ecosystem Engineers on America's Serengeti
	Category:		Religion & Spirituality
	Duration:		00:00:00
	Publish Date:		2020-02-01 02:00:00
	Description:		Some birds require habitats created by other animals. Two such landscape shapers were the American bison and the prairie dog. With the extermination of millions of bison and prairie dogs, species such as this Mountain Plover and the Burrowing Owl, which require barren ground, greatly declined.
	Total Play:		0