'Critter cams' reveal animal secrets

Watch a video about how critter cams were used to study eagle flight

Imagine if you could get inside the mind of an animal, share its perceptions and see exactly how it responds to other animals and its environment. It’s a tall order, but now we can do the next best thing: accompany animals unnoticed as they go about their lives.

Video cameras can now be made small enough to be mounted on animals unobtrusively, while even tiny memory cards have enough capacity to record hours of footage as the animals roam. In the…