"The paths of different birds look like double helixes, flowing strands of hair, and migrating serpents, and they beckon with calls that have definite meanings. These mysterious creatures inspire growing numbers of birders in their passionate pursuit of new species, and writer John R. Nelson is no exception. In Flight Calls, he takes readers on explorations to watch, hear, and know Massachusetts's hummingbirds, hawks, and herons along the coasts and...

"Hard pesticides had threatened the extinction of our national bird until The Massachusetts Audubon Society and other conservation groups won the battle to ban their use in the United States. Fifteen years later, it was once again safe for eagles to nest in Massachusetts. One man conceived the dream and overcame every obstacle to bring the eagles back. HOME FREE tells his story."