In terms of importance value, palms are highly valued by all species of capuchin. In El Tuparro National Park in Colombia, the palm "Attalea regiae" was a key species for white-fronted capuchins, the nuts being a principal food. In Manú National Park in Peru the palms "Astrocaryum" and "Attalea" were the most important palm genera, but perhaps not at the same level as "Attalea" in El Tuparro. Also, at Manú various species of "Ficus" were very important to white-fronted capuchins; this emphasis on "Ficus" was not observed in the El Tuparro study, although this study did not include an entire year. Nevertheless, research on other species suggests the importance of palms as "key species" and the lack of importance of "Ficus" in such habitats as gallery forests in the llanos of Colombia and Venezuela, contrasts with their high importance in more fertile habitats like Manú.