Range. - Aleutian and Pribilof Islands; south to Kadiak.
This is the largest of the genus, and can be distinguished from the others by its very dark chestnut coloration and the gray hindneck and cheeks. Like the other Leucostictes, they are found in flocks and frequent rocky or mountain ous country, where they are nearly always found on the ground. They build in crevices among the rocks or under ledges or embankments, making the nest of weeds and grasses. Their four or five pure white eggs are laid during June. Size .97 x .67. Data. - St. George Islands of the 327