John Slankas

More and more human beings are strapping fitness trackers to their bodies as the devices become more useful and prices plunge. This week, consumer electronics powerhouse Apple got in on the action with the Apple Watch, which includes a built-in accelerometer and heart rate monitor. But it turns out that long before any person carried one of these devices around all day, researchers were strapping them to wild beasts to collect data.

Nature reports:

For more on the ways scientists are using fitness trackers to understand creatures ranging from lumbering polar bears to barely mobile scallops, head over to this post on Nature.