What Birds Eat: How to Preserve the Natural Diet and Behavior of North American Birds It contains The four volumes

It contains The four volumes of The Birds of British Columbia provide unprecedented coverage of this region's birds

he spent numerous hours studying the nesting territories of prairie falcons in Northeastern Colorado

or the autumn crane migration

In this clear and engaging yet scientifically rigorous book

What Birds Eat: How to Preserve the Natural Diet and Behavior of North American Birds It contains The four volumesWe all know that a freshly filled bird feeder will attract hungry sparrows, but do you sometimes wish you knew what birds really want? This book explores not only the what of bird diets, but also the how and why. Birds rely on their senses to detect healthy food and have evolved over millennia to find and digest whatever foods are most plentifuland nutritiousin their environment. But birds also need our help; we must protect their natural habitats and