Attributes / relations provided by ♦1Raptor Predation on Wintering Shorebirds, G. Page and D. F. Whitacre, The Condor, Vol. 77, No. 1 (Spring, 1975), pp. 73-83 ♦2Lasiurus borealis, Karl A. Shump Jr. and Ann U. Shump, Mammalian Species No. 183, pp. 1-6 (1982)