Flight Calls

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 in the woodlands, meadows, and marshes of Cape