Black Brant are banded with colored plastic bands with individual engraved
codes.
The color of the tarsal band indicates the area where the bird was
marked.
Red band, White codes: Russia--Wrangel Is. and Chukotska Peninsula
Yellow band, Black codes: Alaska, Yukon Delta National Wildlife Refuge
(NWR)
White band, Blue codes: Alaska, Yukon Delta NWR
Green band, White codes: Alaska, North Slope, Teshekpuk area
Blue band, White codes: Arctic Canada
Brown band, White codes: Vancouver Island
Aqua band, Black codes: Alaska, North Slope, Oil Fields
