A water bird census was taken at three points on Upper Klamath Lake at weekly intervals extending over a period from September 9, 1936 to May 29, 1937. A total of 24,319 birds was recorded in field records and included thirty-two species. Totals of birds by weekly field trips show...
Prior to the present work, no detailed study had been made of
the amphibians and reptiles inhabiting Benton County, Oregon. Very
little has been published on the precise ranges, the habitat preferences,
and the mode of life history of these animals as they are
found in Benton County and adjacent...
Of the 100 specimens of Leptocottus armatus armatus Girard examined at the Oregon Institute of Marine Biology at Charleston, Oregon during June, July, and August, 1950, 99% were infected with helminth parasites. There was an 83% infection with Echinorhynchus gadi and a total of 1,258 individuals. There was a 16%...
The object of this research is to ascertain the habitat occupied by each of the three species of voles of the genus Microtus found living in Northern Benton County, Oregon.