| http://www.w3.org/ns/prov#value | - Under historic prairie circumstances, the prey community was undoubtedly very diverse, with predators choosing prey among several species of birds and small mammals such as rabbits, mice and voles. (Natural selection also worked to shape the appearance of all these species to improve their ability to avoid being detected.) But waterfowl today have fewer wetlands and grasslands to nest in, and the
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