Wildlife. In search of the ivory gull.
D000818:Animals; D001110:Arctic Regions; D001522:Behavior, Animal; D001717:Birds; D002170:Canada; D003081:Cold Climate; D003247:Conservation of Natural Resources; D017753:Ecosystem; D004777:Environment; D007053:Ice; D011156:Population Density; D013696:Temperature
D007053:Ice