This is a question I am often asked by those tagging and tracking animals.
I believe the main reason to share animal telemetry is to ensure data longevity and make it possible to assess how animal movement may be changing through time.
Moreover, every animal that is captured and tagged is impacted upon by the procedure. We are therefore, ethically obliged to ensure the findings from our studies are maximised -even if this occurs long after we are finished with the data.
There are also personal benefits to you as a user by sharing your data. It will advertise publication...