On the temperature-dependency of optimal nectar concentrations for birds.
D000821:Animal Feed; D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000378:metabolism*; D006706:Homeostasis; D008954:Models, Biological; D009994:Osmolar Concentration; D010944:Plants / Q000378:metabolism; D013395:Sucrose / Q000378:metabolism; D013696:Temperature; D014882:Water-Electrolyte Balance
D013395:Sucrose