This website is intended as an online bird book. For easy comparison, there are many species of birds on one web page. There are also links to similar birds to make species comparisons easier. And there are links to other online information about each species. Websites are organized by bird genus and family. Families are often grouped according to related functions. There are birds of prey pages for eagles, hawks, hawks, kites, owls and vultures, for example. There are records for more than 10,000 species.