(American Ornithological Society Publications Office) The two seabird species unique to Hawaii, Newell's shearwaters and Hawaiian petrels, are the focus of major conservation efforts -- at risk from habitat degradation, invasive predators, and other threats, their populations plummeted 94 percent and 78 percent respectively between 1993 and 2013. However, a new study in The Condor: Ornithological Applications offers hope of previously undetected colonies of these birds on the island of Oahu, from which they were believed to have vanished by the late 1700s.
Original Article: Possible Oahu populations offer new hope for Hawaiian seabirds