Birds of greatest interest and those most likely to be seen at each site are given particular attention, with information on seasonal occurrences to help visitors plan their birding trips. Site descriptions note activities and nearby points of interest, detailed directions to the sites, and available facilities for visitors. Helpful occurrence tables show at a glance where common and uncommon birds can be found. General information on birding in Hawai`i, a description of the processes that led to extensive speciation, and a review of the threats against Hawaiian birdlife are included.