Seed dispersal by a captive corvid: the role of the ‘Alal? (Corvus hawaiiensis) in shaping Hawai‘i's plant communities

Abstract

...The endangered ‘Alalā (Corvus hawaiiensis), the largest remaining species of native Hawaiian forest bird, was once common in mesic and dry forests on the Big Island of Hawai‘i, but today it exists solely in captivity. Prior to its extinction in the wild, the ‘Alalā may have helped to establish and maintain native Hawaiian forest communities by dispersing seeds of a wide variety of native plants....