Even the birds-of-paradise that are primarily insect eaters will still take large amounts of fruit; and the family is overall an important seed disperser for the forests of New Guinea, as they do not digest the seeds.
Incluso as aves do paraíso que comen principalmente insectos comen tamén grandes cantidades de froita; e a familia é en conxunto unha importante dispersora de sementes nos bosques de Nova Guinea, xa que non dixiren as sementes.