Bald Eagle, winter roosts, Common Raven, hawks, interspecific mutualism, Utah
Brown, Bryan T.; Truman, Dana G.; Jones, Linda; and Sharp, Thomas
"Ravens and other raptors occupy winter roosts with Bald Eagles in Utah,"
Western North American Naturalist: Vol. 66
, Article 15.
Available at: http://scholarsarchive.byu.edu/wnan/vol66/iss3/15