A good resouce for bird idenification / watching: USGS's Patuxent Bird Identification InfoCenter includes calls, photos and population coverage maps and seasonal birding checklists. And on a completely unrelated note, they have a sweet guide on the morphology of tadpoles. -mi-
posted on Jul 3, 2006 - View this thread

Searchable Ornithological Research Archive a site containing back issues of avian journals dating back to 1884. Some highlights: The landing forces of domestic pigeons, [pdf] an 1889 comparison of bird brains [pdf]
posted on Apr 13, 2006 - View this thread