Birds Tomorrow by Norval Barger is full of practical suggestions for preserving our birdlife for future generations. Fun things to do, such as making nesting devices, creating natural bird habitats on your property, having safe feeders and bird baths or taking field trips.
Interesting aspects of the ways of birds: nesting territories, courtship, singing: 'Not every listener can hear the songs of some species. High-pitched songs are the most difficult in this respect.' Bird research, habitat management, some aspects of bird hunting, interesting sidelights.