Animals Lugging Cameras

I must admit to being quite intrigued about the imminent BBC mini-series 'Animals with cameras' that appears to attach visual recorders to a range of beasties including rays, birds of prey, meerkats and cheetahs to obtain new perspectives on their lives (www.pbs.org/wnet/nature/animals-cameras-nature-mini-series/15860/). I would caution, however, that, in spite of technological developments that make the cameras much smaller and lighter, animals carrying even very modest loads have been shown to change their behaviour (even scientific bird ringing seems to constitute a penalty). Weight may not be the only problem as any addition can change the streamlining of the animal and fastenings can interfere with free movement. Enjoy but take with a pinch of salt.