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Long‐billed hummingbirds are assumed to be better adapted than short‐billed ones for the pollination of long tubular flowers. However, the majority of the empirical evidence is derived from surveys of pollinator feeding performance, which tend to ignore the implications for plant fitness. Here, we tested the long‐billed performance hypothesis from the perspective of the pollinated plant. We conducted...
Hummingbirds can vary their foraging strategies by adopting different behavior patterns. In Central America, the territorial behavior of these birds may be influenced by the floral resource availability in patches of Heliconia L. (Heliconiaceae) species. We investigated whether a similar pattern occurs in the South American species, Heliconia spathocircinata Aristeg., in a fragment of Atlantic forest...
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