Snowy Owl Invasion!
Tracking An Unusual MigrationBook - 2018
"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."-- Provided by publisher.
Publisher: Minneapolis : Millbrook Press, 
Characteristics: 48 pages : color illustrations ; 24 cm.