Pterodroma heraldica

The petrel has 2 color morphs, a dark phase and a light phase, with intergrades between the two also occurring. There are also 2 separate populations, one occurring in the south Pacific, sometimes seen in Hawaii; the other occurring in the south Atlantic, nesting off Brazil, with rare sightings in the Gulf Stream off the southeastern United States. The little-known Pacific subspecies Pterodroma heraldica may be a distinct species . It uses oceanic islands, atolls, nesting on cliff ledges, ridges or rocky slopes. On some islands, nesting birds are threatened by feral cats and rats.

The Pterodroma heraldica is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.

Nothing known about the Pterodroma heraldica