Studying polar bears just became a lot easier with new 'burr on fur' trackers which confirmed scientists' belief that subadult and adult males spend most of their time on land lazing around, conserving energy until the ice returns. A team used three different 'burr on fur' prototypes to study their effectiveness.
Wildlife tracking technology that adheres to fur delivers promising results from trials on wild polar bearsStudying polar bears just became a lot easier with new 'burr on fur' trackers which confirmed scientists' belief that subadult and adult males spend most of their time on land lazing around, conserving energy until the ice returns. A team used three different 'burr on fur' prototypes to study their effectiveness.
, details the first peer-reviewed examination of these new tracking devices that adhere to the fur of polar bears. The ear tag and"Burr on Fur" devices fill an important niche for scientists and wildlife managers. The new tags allow researchers to follow the movements of adult male and subadult polar bears, two groups that can't be studied using traditional satellite collars. Adult males can't wear collars because they slip off their cone-shaped necks and heads, and subadult bears grow too rapidly for safe collar use. Traditional ear tags are an alternative to collars.
The SeaTrkr Tag: an oval-shaped tag that had 10 holes punched to allow 10 fur-tuft attachments. This design used an Iridium-linked Telonics GPS SeaTrkr-4370 transmitter. The top-performing fur tag was the SeaTrkr Tag, which remained attached to the bears for an average of 58 days and had superior accuracy due to its use of GPS/Iridium technology. In second place, the Trishbrush Tags remained attached for an average of 47 days. However, for the Tribrush Tag, the times varied widely, with one falling off after only two days while another lasted 114 days -- the longest of all the tags.
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