USGS Multimedia Gallery
Title: Scientists Track Polar Bears
Scientists track Polar bears with by attaching GPS equipped collars to a sample population. These collars transmit data that help develop maps like this one that shows a swim of nearly 220 miles long.
Location: AK, USA
Date Taken: 2012
Photographer: Mike Lockhart , USGS
Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.
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