Effect of flower shape and size on foraging performance and trade-offs in a tropical hummingbird.Published in:Ecology, 2009, v. 90, n. 5, p. 1147, doi. 10.1890/08-0695.1By:Temeles, Ethan J.;Koulouris, Carolyn R.;Sander, Sarah E.;Kress, W. JohnPublication type:Article