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That's really funny because something similar was done at my unversity (I think with bats, or maybe even flying foxes). I declined because although the devices were really small and they assured me that the animals did not come to harm I doubted that. It's like carrying around a big backpack.

This is getting OT, but sensor network applications and discussions often neglect the problem of device recovery and I know there are projects were sensors are not recovered and after they did their work (sensing stuff and sending it to a post-processing node) they go out of energy and become ... highly toxic waste.

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