To narrow down the possibilities quickly, first put the bird into one of Peterson's eight visual categories. Scientific and common names. Here we present photographs, songs, identification tips, maps, and life history information for North American birds, and provide a forum for commentary and discussion on bird identification. Gough, G.A., Sauer, J.R., Iliff, M. Patuxent Bird Identification Infocenter. Wild Birds Unlimited Bird FeederCam Watch birds live at a bird feeder.
Photos here show most of the species and plumages of gulls in North America.
These are bird sounds of North American birds - not just bird calls or bird songs, but all the sounds birds make, such as wing sounds and bill rattles.