Eggs and poultry make up a significant part of peoples' diets. Similarly, products made from feathers such as pillows, comforters, or down-lined coats are widely used. There is an increasing awareness and heightened passion for our feathered friends sweeping the nation. The popularity of feeding wild birds has actually changed the ranges of several common songbirds. Additionally, because of the low fat content of turkey and chicken meat and America's fascination with losing weight, the poultry industry is booming. And what other animal has a day dedicated to it like the tradition of roast turkey at Thanksgiving? Clearly, birds are a relevant and special part of our lives.

But what makes them so unique? How are they different from animals in the other major classes of organisms? And most importantly, how are they different from us?

Position in the Animal Kingdom

Birds make up the class Aves of...