Differences in body sizes may create a trade-off between foraging efficiency (foraging gains/costs) and access to resources. Such a trade-off provides a potential mechanism for ecologically similar species to coexist on one resource. We explored this hypothesis for tundra (Cygnus columbianus) and trumpeter swans (Cygnus buccinator). a federally protected species. https://www.roneverhart.com/9-Inch-Modern-Entry-Door-Lockset-Emtek-8114/