Attributes / relations provided by
♦ ¹SPECIES ASSESSMENT FOR BAIRD’S SPARROW (AMMODRAMUS BAIRDII) IN WYOMING, ROBERT LUCE AND DOUG KEINATH, United States Department of the Interior, Bureau of Land Management, December 2003
♦ ²Predicting seasonal diet in the yellow-bellied marmot: success and failure for the linear programming model, G.P. Edwards, Oecologia (1997) 112:320-330