Researchers in New Zealand are tracking movements of hedgehogs using GPS receivers to see how well they are adapting to their environment and what kind of effects they are having on native fauna.
These animals were brought to the island back in 19th century by Europeans and they seem to have no natural predators to control their numbers which poses a threat to local insects, lizards, and ground nesting birds.
These little GPS backpacks seem to big and clumsy but researchers claim they don’t get in the way of natural behavior such as defensive rolling and nesting. This particular receiver can record location every five minutes for five days. It’s been discovered that they could travel as far as 1.5km in a day but usually they chill out at specific locations…
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