To the unaware observer, all teeny, grey brown colored birds are “generic sparrows.” The closer research of the discerning eye immediately differentiates, and discovers not only the varied kinds, however moreover find a good many other well known feathered friends where someone who “has sight and sees not” does not ever become aware of their presence. Additional facts and figures at Backyard Birds of North America concerning birds names to help teach the senses and train the eye.