Elephant bird that apparently originated from Marco Polo's account of the rukh in 1298, although he was apparently referring to an eagle-like bird strong enough to "seize an elephant with its talons". Sightings of eggs of elephant birds by sailors (e.g. text on the Fra Mauro map of 1467–69, if not attributable to ostriches) could also have been erroneously attributed to a giant raptor from Madagascar. The legend of the roc could also have originated from sightings of such a giant subfossil eagle related to the African crowned eagle, which has been described in the genus "Stephanoaetus" from Madagascar, being large enough
North Island piopio North Island piopio The North Island piopio ("Turnagra tanagra") was a passerine bird of the family Oriolidae. The North Island piopio is now considered to be extinct. For many years, the North Island piopio was considered to be conspecific with the South Island piopio, but the two are now regarded as two separate species due to their pronounced differences in external appearance and osteology (Olson "et al.", 1983). An alternate name for the North Island piopio is the North Island thrush. The North Island piopio was endemic to the North Island of New Zealand and was described by Walter Buller