"A historically large irruption of snowy owls during the winter of 2013-2014 brought them across the eastern US, and farther south than usual. Scientists used this opportunity to attach GPS tracking devices to some snowy owls to increase understanding of their winter behavior and migration."--
Ages 8-12.|||Grades 4 to 6.|||1080L Lexile|||juvenile
Sandra Markle.
Includes bibliographical references (page 46) and index.
Accelerated Reader AR MG 6.6 1 193858.
