Research dog/cat GPS trackers. There are several out there to choose from.
For you bike (bicycle?), I suppose you could hide a pet tracker in a mounted water bottle or tool bag under the seat.
Edit: fixed spelling error
Research dog/cat GPS trackers. There are several out there to choose from.
For you bike (bicycle?), I suppose you could hide a pet tracker in a mounted water bottle or tool bag under the seat.
Edit: fixed spelling error