This process, whereby species evolve rapidly to exploit empty ecospace, is known as adaptive radiation ... one living in trees and eating seeds; and 7 species of tree-dwelling insect-eaters.

Adaptive radiations and stasis -- Phylogenetic trees across the order Primates ... these researchers suggested that there was an early radiation of New World monkey ancestors followed by a period ...

This sudden expansion of species diversity into new ways of life is known as adaptive radiation ... novel habitats for what would become tree-dwelling mammals -- primates, which first appeared ...